Nyc School Closure History
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image_alt: "New York City school closure history and winter weather analysis" NYC School Closure History: A Data-Driven Analysis
A New York City school closure can feel like a major event precisely because it has historically been unusual. For families, the difficult part is not simply asking, “Will school close?” The more useful question is: What kind of closure is most likely, how much warning might families receive, and what happens to instruction afterward?
That distinction became especially clear in 2026. On January 26, NYC Public Schools closed its buildings because of extreme weather but moved instruction online. Less than a month later, on February 23, the city used a traditional snow day: school buildings closed and there was no remote instruction.
The historical record helps explain why those two decisions should not be treated as interchangeable.
- Quick Answer
Quick Answer: NYC school closures have historically been infrequent outside major emergencies. A widely cited historical compilation prepared with help from the NYC Department of Education identified 11 snow-related citywide school closures from 1978 through early 2014. The pattern changed during major non-snow emergencies: Hurricane Sandy caused a citywide school shutdown followed by prolonged building disruptions, while COVID-19 produced an unprecedented extended closure beginning March 16, 2020.
In 2026, NYC demonstrated two different emergency models. On January 26, school buildings closed but instruction continued remotely. Nearly 375,000 students and parents logged into virtual classrooms, according to NYCPS. On February 23, the city declared a traditional snow day with no remote learning and obtained a waiver from New York State's 180-day instructional requirement.
The practical lesson is simple: closure history is more useful when it tracks closure type, cause, timing, and instructional response—not just the number of closed days.
Why NYC School Closure History Matters
New York City is unusual in scale. A citywide decision can affect more than 1,100 school buildings and roughly half a million students. That makes the operational consequences of a closure much larger than they are in a small district.
The city also has a complicated transportation environment. Students and employees may rely on subways, buses, commuter rail, ferries, private vehicles, walking routes, or combinations of these. A storm does not need to produce an extraordinary snowfall total to create serious travel problems. Conversely, a large snowfall does not automatically guarantee that schools will close.
That is one of the clearest findings in the historical record.
In February 2006, Central Park recorded 26.9 inches of snow, at the time a record for New York City. Yet the city's public schools were scheduled to remain open.
That single example is important because it rules out an overly simple model:
More snow = higher probability of closure.
The relationship is more complicated. Snowfall is one input among several, including road conditions, timing, temperature, wind, transit conditions, building access, staffing, and the expected safety of travel during the hours when students and employees need to move through the city.
For families, this means that historical closure data should be used as context, not as a rigid threshold.
The Historical Snow-Closure Record
The best-known consolidated record of NYC snow-related closures from the late twentieth century through early 2014 identifies 11 citywide events. The compilation was produced with assistance from NYC DOE and newspaper archive research, so it is useful for historical pattern analysis, but it should not be confused with a continuously maintained official emergency-closure database.
| Date | Approx. snowfall or event | Historical significance |
|---|---|---|
| February 6, 1978 | 17.7 inches | Blizzard of '78; Mayor Ed Koch closed schools |
| April 7, 1982 | About 10 inches | Severe April storm prompted a closure |
| January 8–9, 1996 | 20.2 inches in Central Park; 27.5 inches on Staten Island | Only consecutive snow-closure days in the cited series |
| March 5, 2001 | 3.5 inches | Demonstrates that a modest accumulation can still produce a closure |
| January 28, 2004 | About 10 inches | Citywide snow closure |
| March 2, 2009 | 8.3 inches | Citywide snow closure |
| February 10, 2010 | About 10 inches | Citywide snow closure |
| February 26, 2010 | 20.9 inches | Largest school-closing storm since 1996 in the cited historical account |
| January 27, 2011 | 19 inches | Fifth snow closure during Mayor Bloomberg's tenure |
| January 3, 2014 | 6.4 inches | Citywide snow closure |
| February 2014 | About 10 inches with strong winds | Schools remained open despite substantial snowfall |
The list shows something families may not expect: there is no single snowfall number that consistently maps to a school closure.
From 1978 through early 2014, those 11 listed snow closures average roughly one event every 3.3 years. But that calculation should be treated cautiously. It describes a historical compilation, not a complete probability model, and the years after 2014 include fundamentally different operating conditions.
The interval between events also varied dramatically. There was a long gap between 1982 and 1996, while 2010 produced two snow-related closure events within the same month.
That variability is itself a useful finding.
- The 1978 Blizzard
The February 1978 storm established one of the most memorable points in the modern record. Approximately 17.7 inches of snow fell, and Mayor Ed Koch ordered schools closed.
The significance is not simply the snowfall total. The event demonstrates that a severe winter storm can create a clear citywide safety decision when transportation and general mobility are sufficiently compromised.
- The 1996 Storm
January 1996 stands out because the cited record identifies January 8 and 9 as the only consecutive snow-closure days in that historical series. Central Park recorded about 20.2 inches, while Staten Island received approximately 27.5 inches.
This event is useful when thinking about duration. A storm that creates dangerous conditions for more than one operating day creates a different planning problem from a storm that arrives and clears quickly.
Families should therefore consider not only accumulation but also how long the disruption lasts.
- The 2001 Closure
The March 5, 2001 closure is perhaps the most revealing event in the table because the cited snowfall total was only about 3.5 inches.
A closure following a relatively small accumulation makes sense when the actual decision variables include factors such as ice, timing, temperature, road treatment, and travel safety.
It is a reminder that historical analysis should not reduce an operational decision to one weather metric.
- The 2010 Cluster
February 2010 produced two snow-related citywide closures: February 10 and February 26. The second storm produced approximately 20.9 inches and was described in the historical compilation as the largest snow-closing storm since 1996.
This cluster illustrates why recent history can feel misleading. A family looking only at the most memorable winter could conclude that closures happen frequently. A longer historical window tells a different story.
The city has experienced periods with multiple closures and periods with long stretches between them.
The 2006 Lesson: Snowfall Alone Is Not a Closure Threshold
One of the strongest pieces of historical evidence comes from a storm that did not close schools.
On February 11–12, 2006, New York City received 26.9 inches of snow at Central Park, setting a record at the time. Yet the city's public schools were scheduled to remain open.
This matters for two reasons.
First, it shows why statements such as “schools always close after 20 inches” are unreliable. The historical record does not support a fixed threshold.
Second, it highlights the difference between weather severity and operational disruption.
Two storms with similar snowfall can create very different conditions depending on:
When the snow begins.
Whether precipitation falls as snow, sleet, or freezing rain.
How quickly temperatures fall.
Whether roads have been treated.
How much wind accompanies the storm.
Whether sidewalks and entrances can be cleared.
What subway and bus services are doing.
Whether hazardous conditions are expected during arrival or dismissal.
Whether staff can safely reach school buildings.
Whether the city expects conditions to improve before the next operating period.
For families, this is why a historical ClariScore™ should be interpreted as a localized planning signal, rather than a promise tied to a particular number of inches.
Hurricane Sandy: When School Closure Becomes an Infrastructure Problem
Snow is only one category in NYC school-closure history.
Hurricane Sandy created a much broader disruption in October and November 2012. On October 29, the city announced that public schools would remain closed on October 30 because of Sandy and the Zone A evacuation.
The aftermath demonstrates why “closure duration” can be more informative than the initial closure announcement.
A city recovery analysis reported that all 1,750 public schools were closed for a week following Sandy, with many schools remaining closed or operating from alternative locations during the following week. It reported direct flood damage at 86 schools.
Another city document reported that 43 schools could not reopen on November 5 because of structural damage, while other schools were affected by power loss or evacuation-related use of buildings.
By November 19, the city reported that 12 Sandy-damaged schools had reopened. More than 26,000 students from 47 schools had returned to their regular buildings, while approximately 7,800 students from 18 schools remained at reassigned sites.
The lesson is broader than hurricane preparedness.
A school closure can be:
A short safety interruption.
A transportation disruption.
A building-access problem.
A neighborhood infrastructure problem.
A prolonged displacement of students and staff.
These categories behave differently and should not be combined into one historical statistic.
For families interested in weather-driven decisions, the Storm School Closure Guide provides a useful companion to this historical analysis.
COVID-19 Changed the Meaning of “School Closure”
COVID-19 represents another break in the historical series.
NYC public schools closed beginning March 16, 2020, as the city moved into a citywide emergency response. The closure was eventually extended through the end of the school year, with the education system shifting students to remote learning.
This event cannot be treated as simply another entry in a snow-closure table.
A snow day normally lasts one or two operating days. COVID transformed the instructional model itself.
The 2020–21 school year then introduced hybrid and fully remote options, and NYCPS subsequently planned a full return to in-person learning beginning September 13, 2021.
That experience permanently changed the operational question behind an emergency closure.
Before widespread remote instruction, the basic question was:
Can students and employees safely reach the school building?
After 2020, another question became possible:
If the building cannot safely operate, can instruction continue remotely?
That distinction becomes central to understanding NYC's 2026 decisions.
2026: Two Closures, Two Different Models
January and February 2026 provide one of the clearest modern examples of why closure history should track closure type.
January 26: Building Closure With Remote Instruction
On January 25, 2026, NYC announced that all NYCPS buildings would close on January 26 because of extreme weather, while instruction would continue remotely. The decision affected roughly 500,000 students across more than 1,100 schools.
The remote model was not merely theoretical.
NYCPS reported that nearly 375,000 students and parents, or nearly 80% of expected students, successfully logged into virtual classrooms, supported by more than 125,000 educators. Schools reopened for in-person instruction on January 27.
From a family-planning perspective, this was a major operational signal.
A building closure no longer necessarily means an instructional day disappears.
February 23: Traditional Snow Day
Less than a month later, NYC made a different decision.
For February 23, 2026, all public school buildings closed except designated warming centers, and NYCPS did not provide remote instruction. The city obtained a waiver from New York State's 180-day instructional requirement.
NYCPS buildings reopened on February 24.
This was a traditional snow-day structure:
Building closed → no remote classes → instructional-calendar accommodation.
The difference between January and February is more informative than simply saying “NYC closed schools twice in early 2026.”
Why the Difference Matters
The January decision demonstrates that NYC has the infrastructure to continue instruction when buildings close.
The February decision demonstrates that remote instruction is not automatically guaranteed for every emergency closure.
That distinction matters to parents because the practical consequences are different.
A remote closure requires:
A functioning device.
Internet access.
A learning platform.
Teacher readiness.
Student login access.
Family awareness of the schedule.
Sufficient notice to organize the day.
A traditional snow day requires a different response:
Childcare may be needed.
Work schedules may need adjustment.
Meals and activities may need to be planned.
Parents need to know when school resumes.
Families should not assume virtual classes will appear simply because buildings are closed.
NYCPS's more recent emergency guidance states that when school buildings close because of emergency conditions, K–12 students may be expected to attend classes remotely, and families are advised to have a working internet-enabled device available.
The word may is important when interpreting historical evidence. Policy and implementation can change with the specific emergency.
What the Historical Data Actually Shows
When the historical record is viewed across snow, hurricanes, pandemics, and the 2026 emergency decisions, several patterns become clear.
- Citywide snow closures have historically been uncommon
The 1978–2014 historical compilation contains 11 snow-related citywide closures. That is enough to establish rarity, but not enough to calculate a reliable future probability for every winter.
The record is best used to understand the kinds of conditions associated with past decisions.
- Snowfall totals are an imperfect predictor
The 2001 closure after approximately 3.5 inches and the 2006 decision to remain open after 26.9 inches make that point particularly well.
The operational environment matters.
- Emergency category matters
Snow, flooding, evacuation, infectious disease, power loss, and transportation disruption create different decision environments.
Combining all of them into a single “closure rate” can hide more than it reveals.
- Closure duration matters
Sandy demonstrates that the first closure day can be only the beginning of the disruption. COVID demonstrates an even more dramatic version of this principle.
- Instructional continuity matters
The January 2026 remote-learning day and February 2026 traditional snow day had very different effects on families despite both being building closures.
- The decision is operational, not purely meteorological
A weather forecast describes atmospheric conditions. A school-closure decision combines those conditions with transportation, safety, buildings, staffing, communications, and instructional requirements.
That is why families should avoid treating any single weather metric as a definitive answer.
A Better Framework for Understanding NYC Closure Decisions
A useful historical model separates the decision into several dimensions.
- Weather Severity
This includes snowfall, ice, freezing rain, wind, flooding, extreme temperatures, and the expected persistence of hazardous conditions.
Severity matters, but history shows it is not sufficient on its own.
Travel and Transportation
The safety of getting to school can matter as much as the weather itself.
For NYC, this includes roads, sidewalks, buses, subway service, bridge conditions, and neighborhood-specific accessibility.
A storm can produce uneven effects across the five boroughs. The citywide decision must account for the broader operating environment rather than one neighborhood's conditions.
- Timing
A storm beginning overnight can create a different morning commute from one arriving after school dismissal.
Likewise, conditions expected to deteriorate during the school day can create a different risk profile from conditions that improve before students travel.
- Building Readiness
A school may be physically intact but still difficult to operate if entrances, heating systems, utilities, or surrounding streets are compromised.
Sandy provides the clearest historical example of how building-level impacts can outlast the initial citywide closure.
Instructional Continuity
The availability of remote instruction changes the decision tree.
If remote instruction can be activated, a building closure does not necessarily mean the instructional day is lost.
But the January and February 2026 examples show that the existence of remote infrastructure does not mean every emergency closure will automatically become a remote school day.
- Communication Timing
For families, the decision is only useful once it is communicated.
The practical value of historical data therefore includes understanding the Decision Window™: the period in which families can reasonably expect official information to become actionable.
The Decision Window™ is not an official NYCPS metric. It is a ClariSchool planning concept for organizing historical information around the point when families need to make childcare, commuting, and work decisions.
Using ClariScore™ Without Treating It as a Guarantee
Historical data becomes more useful when it is localized.
NYC is too large for a single citywide number to capture every family's situation. Conditions in Staten Island can differ from conditions in Queens, Brooklyn, Manhattan, or the Bronx. Even within a borough, neighborhood-level transportation and street conditions can vary.
This is where ClariScore™ can serve as a planning layer.
A useful ClariScore™ interpretation should combine:
Historical closure patterns.
Weather severity.
Localized disruption indicators.
Timing.
Transportation context.
The type of emergency.
Historical decision timing.
Whether remote instruction is likely to be operationally relevant.
The goal is not to turn uncertainty into a fake precise percentage.
The goal is to answer a more practical question:
How much preparation makes sense before the official decision arrives?
That is where Disruption Likelihood becomes useful.
Disruption Likelihood should be understood as a planning indicator rather than an official city determination. A high level may justify preparing a backup childcare arrangement or confirming remote-learning access. A lower level may mean ordinary routines remain reasonable while families continue monitoring official communications.
Historical information should change the amount of preparation, not replace the official decision.
The Decision Window™ Is Often More Valuable Than a Single Number
Parents rarely need a theoretical answer about whether a storm is “severe.”
They need to know when to make practical decisions.
For example:
When should I arrange backup childcare?
Should I charge the school-issued device?
Do I need to change my commute?
Should I ask my employer about flexibility?
When should I check NYCPS communications?
If buildings close, should I expect remote instruction?
These questions are about timing.
The Decision Window™ helps organize that timing.
A family might use the historical record this way:
Earlier in the process: monitor the developing event and understand the historical context.
As disruption increases: prepare devices, childcare alternatives, transportation alternatives, and work contingencies.
Inside the official decision window: rely on NYCPS and city communications for the actual closure status.
After the announcement: follow the stated instructional model rather than assuming that a previous closure's model will repeat.
This approach avoids two common mistakes: waiting until the last minute for every storm, and treating every serious-looking weather system as a reason to cancel plans immediately.
A Practical Family Planning Routine
Historical data is most valuable when it leads to a simple routine.
- The Night Before
If a significant weather event is developing, confirm:
The school's official communication channels.
Your child's device and charger.
Internet access.
Any school-specific instructions.
Your childcare backup.
Your own work schedule.
The transportation options you may need the following morning.
Do not assume that because a prior storm produced a traditional snow day, the next one will do the same.
- Early Morning
Check the official NYCPS and city announcements before relying on social media posts, neighborhood speculation, or informal messages.
If the building is closed, read the instruction type carefully.
There is a meaningful difference between:
“School buildings are closed.”
and:
“School buildings are closed and instruction will continue remotely.”
The first statement describes the physical building. The second describes the instructional day.
After the Announcement
If remote instruction is required, make sure your child has the appropriate device and connection.
If it is a traditional snow day, do not expect virtual classes simply because NYC has remote-learning capability.
If the announcement is unclear, consult the school's direct communication and official NYCPS guidance rather than inferring the policy from an earlier storm.
For broader information about NYC school operations and calendars, see the Nyc Public Schools Guide .
What Parents Should Not Infer From Historical Data
Historical analysis is powerful partly because it reveals what cannot safely be inferred.
Do Not Use a Snowfall Number as a Rule
The 2006 example makes this particularly clear. Nearly 27 inches of snow did not produce the closure a simple threshold model would predict.
Do Not Assume a Previous Decision Will Repeat
January and February 2026 occurred less than a month apart and produced different instructional responses.
Do Not Treat a Citywide Decision as a Neighborhood Forecast
Citywide closure decisions are broad operational decisions. Local travel conditions can still differ substantially.
Do Not Treat “Building Closed” and “School Canceled” as Identical
A building may close while classes continue remotely.
Conversely, a traditional snow day may close the building and pause instruction.
Do Not Treat ClariScore™ as an Official NYCPS Decision
ClariScore™, Decision Window™, and Disruption Likelihood are planning tools. The official closure decision comes from NYCPS and the city.
Plan Before They Announce
Families do not need to spend every storm night refreshing social media.
A better approach is to establish a repeatable preparation routine based on historical context and local conditions.
💡 Plan Before They Announce: Don't wake up at 5:00 AM repeatedly refreshing forums. Search your 5-digit ZIP code on ClariSchool to calculate your localized ClariScore™ and track your district's historical Decision Window™. Use that history as a planning aid, not as a guarantee of what NYCPS will decide.
The advantage of this approach is not that it produces certainty.
It is that it helps families decide when preparation is worth the effort.
For weather-specific planning, families can also review the Storm School Closure Guide , while the Air Quality School Closure Guide addresses a different class of disruption that does not fit neatly into the snow-closure record.
What the 2026 Experience May Mean for Future Planning
The January and February 2026 events provide a particularly useful benchmark because they demonstrate that NYC's emergency response can operate in more than one mode.
January showed a mature remote-learning response at city scale. Nearly 375,000 students and parents successfully logged into virtual classrooms, and schools returned to in-person instruction the following day.
February showed that a traditional snow day remains possible even after remote-learning infrastructure has become established. NYCPS did not conduct remote instruction on February 23 and instead received a waiver from the state instructional-day requirement.
For families, this suggests a practical rule:
Prepare for the closure mechanism that is announced, not the mechanism you remember from the last storm.
The distinction may become increasingly important as NYC continues to refine emergency learning procedures.
Current NYCPS guidance indicates that when buildings close because of severe weather or another emergency, schools may use remote instruction.
That wording preserves room for operational judgment.
It also means a historical database should record at least two fields:
Was the building closed?
Was instruction conducted remotely?
Without those fields, two very different family experiences can look identical in a spreadsheet.
Why a Simple Closure Count Is Not Enough
Imagine two years:
Year A: One building closure, with a full day of remote instruction.
Year B: One building closure, with no instruction and a calendar waiver.
A basic “closures per year” metric gives both years the same value.
Families experience them very differently.
Now compare two additional scenarios:
Year C: One closure lasting a single day.
Year D: One citywide closure followed by weeks of localized school displacement caused by building damage.
Again, a closure count produces the same result.
Sandy shows why duration and building-level impact matter.
COVID demonstrates an even more extreme limitation: a prolonged systemwide interruption cannot be meaningfully summarized alongside a one-day snow closure without separating the event categories.
A useful historical database should therefore distinguish:
Event type.
Closure date.
Number of affected buildings.
Whether instruction continued.
Closure duration.
Reason for closure.
Geographic scope.
Building damage, if applicable.
Transportation impacts.
Official announcement timing.
Reopening timing.
Calendar or instructional-day adjustment.
That structure provides much more useful family intelligence than a simple annual closure count.
Methodology and Data Limitations
This analysis combines historical reporting, official NYC government records, NYCPS announcements, and city recovery documents.
The 1978–2014 snow-closure series is a particularly useful historical reference, but it is not presented as a complete machine-readable official closure database. It was compiled using assistance from NYC DOE and newspaper archive research.
NYC Open Data also contains school-closure-related administrative datasets. For example, the 2015–2018 School Closure Discharge Reporting dataset contains records associated with Local Law 43 reporting. That dataset should not be mistaken for a direct chronological record of weather-related citywide emergency closures.
The analysis therefore uses different source types for different questions:
NYCPS announcements for official closure and instructional decisions.
NYC Mayor and city records for emergency declarations and major-event context.
City recovery documents for longer-term infrastructure effects.
Historical compilations for older snow-closure chronology.
Administrative open-data records only where their scope matches the analytical question.
The resulting history is intentionally conservative.
A missing event in an older secondary compilation should not automatically be interpreted as evidence that no closure occurred. Likewise, the presence of a major storm does not establish that schools closed.
What This Analysis Does Not Claim
This article does not claim to produce an official NYCPS closure probability.
It does not establish a fixed snowfall threshold.
It does not guarantee that a specific ZIP code will experience a closure.
It does not treat ClariScore™ as an NYCPS decision.
It does not assume that historical policy will remain unchanged.
It does not treat COVID-era closure behavior as directly comparable to an ordinary snow day.
It also does not assume that a citywide closure eliminates all local variation. Individual schools, special programs, transportation arrangements, and building conditions can produce different family experiences.
The purpose of historical analysis is to make those distinctions visible.
Frequently Asked Questions
- How often does NYC close schools for snow?
NYC has historically closed schools for snow relatively infrequently compared with the number of winter weather events it experiences. A commonly cited historical compilation identified 11 snow-related citywide closures from 1978 through early 2014.
That figure should not be interpreted as a current annual rate. The city's emergency-learning policies and operating environment have changed substantially since 2014.
- What was the biggest NYC snowstorm that did not close schools?
The February 2006 storm produced 26.9 inches of snow in Central Park, then a record, yet public schools were scheduled to remain open.
It is one of the strongest historical examples showing that snowfall totals alone do not determine closure decisions.
- Did NYC schools close during Hurricane Sandy?
Yes. NYC announced that public schools would remain closed on October 30, 2012, following Sandy and the Zone A evacuation. The disruption lasted beyond the initial closure in many locations because of flooding, structural damage, power issues, and building displacement.
- When did NYC schools close for COVID-19?
NYC public schools closed beginning March 16, 2020. The closure ultimately continued through the end of that school year, with the education system shifting to remote learning.
The COVID closure should be analyzed separately from ordinary snow closures because it represented a prolonged public-health emergency and a fundamental change in instructional delivery.
- Did NYC use remote learning for the January 2026 weather closure?
Yes. On January 26, 2026, NYCPS buildings closed because of extreme weather while instruction continued remotely. NYCPS later reported that nearly 375,000 students and parents successfully logged into virtual classrooms.
- Did NYC use remote learning for the February 2026 snow day?
No. February 23, 2026 was designated as a traditional snow day, with public school buildings closed and no remote instruction. The city obtained a New York State waiver related to the 180-day instructional requirement.
- Can historical closure data tell me whether NYC schools will close during the next storm?
Historical data can help families understand context, timing, and the kinds of conditions associated with past decisions, but it cannot determine the official decision in advance.
A localized ClariScore™ can be used as a planning indicator, while the Decision Window™ can help families organize when to prepare. Disruption Likelihood should likewise be treated as informational rather than as an official NYCPS determination.
The final decision should always come from NYCPS and official city communications.
- Conclusion
NYC school closure history tells a more nuanced story than a list of snow days.
The historical snow record shows that citywide closures have been relatively uncommon and that there is no dependable snowfall number that automatically produces a closure. The 2001 closure after a relatively small accumulation and the 2006 decision to remain open after 26.9 inches make that especially clear.
Hurricane Sandy showed that a closure can become an infrastructure event whose effects continue long after the initial announcement. COVID-19 showed that a closure can also become a transformation in how instruction is delivered.
Then January and February 2026 demonstrated something particularly relevant to modern families: two building closures can have completely different instructional consequences. One used remote learning; the other was a traditional snow day.
That is the most useful way to read the history.
Do not ask only how many times NYC closed schools.
Ask why, when, for how long, which buildings were affected, whether instruction continued, and what families were expected to do next.
For parents, that shift turns historical data from an interesting archive into a practical planning tool.
Use the history to recognize patterns. Use localized indicators such as ClariScore™ and Disruption Likelihood to decide how much preparation makes sense. Use the Decision Window™ to organize that preparation. And when the official decision arrives, follow NYCPS guidance rather than relying on historical assumptions.
That balance—historical evidence without false certainty—is the most reliable way to use NYC school-closure data.
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The article distinguishes building closure from instructional closure.
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The article identifies the 2006 open-school decision as evidence against a simple snowfall threshold.
The article compares January and February 2026 as different emergency-response models.
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ClariSchool Legal Disclaimer
ClariSchool content is provided for general informational and family-planning purposes only. Historical school-closure patterns, weather information, ClariScore™, Decision Window™, and Disruption Likelihood are not official NYC Public Schools determinations and do not guarantee whether a school will close, remain open, switch to remote instruction, or reopen at a particular time. Conditions can change rapidly, and individual schools or programs may have different circumstances.
For an actual closure or emergency decision, families should rely on official NYC Public Schools, New York City, school-level, and other applicable government communications. Historical data should be used to improve preparation and decision-making, not as a substitute for official instructions.