NYC school seats will increase by 4,656 for the 2026–27 academic year as new buildings, additions, annexes and room conversions open across the city. The expansion adds capacity days before classes begin on Sept. 10, with Queens receiving the largest share of seats tied to the 10 major facility projects.
Key Takeaways
- New York City is adding 4,656 school seats for the 2026–27 school year.
- Ten new or expanded facilities account for 4,272 seats, while room conversions at 10 existing schools add another 384.
- Queens receives 2,344 of the 4,272 seats tied to the major facilities, nearly 55% of that total.
- The John Dewey Annex in Brooklyn adds 553 middle school seats and cost $77.71 million.
- New capacity is opening as NYC Public Schools continues work toward state class-size requirements now due for full compliance by September 2030.
Queens Receives the Largest Share of New Capacity
New York City is opening 10 new or expanded school facilities for the 2026–27 school year, adding 4,272 seats through those projects. Room conversions at 10 existing schools add another 384 seats, bringing the citywide increase to 4,656.
Queens has the largest concentration of the major projects, with five facilities adding 2,344 seats. That represents nearly 55% of the 4,272 seats tied directly to the listed new buildings, additions and annexes.
The largest single project is Q497 New High School at 165-15 88 Avenue, which adds 876 seats. Queens is also receiving a 463-seat addition at J.H.S. 216, a 451-seat new elementary school identified as Q340, a 325-seat addition at P.S. 116 and a 229-seat addition at P.S. 95.
Brooklyn receives another 1,653 seats through four major projects, while Manhattan receives 275 through the New York Harbor School Annex. The separate room-conversion work covers 10 existing schools across all five boroughs, although the Sept. 8 announcement did not identify each conversion project individually.
The added space arrives during broader changes across the school system, including adjustments in NYC education spending, staffing and classroom planning.
John Dewey Annex Adds 553 Middle School Seats
The John Dewey Annex in Gravesend is one of the largest Brooklyn projects opening for the academic year. Located at 106 Avenue X, the three-story facility adds 553 seats for students in grades six through eight and sits next to John Dewey High School.
According to the city, the annex cost $77.71 million and was designed by the New York City School Construction Authority. The building contains 18 general education classrooms and two special education classrooms, along with science laboratories, art and music rooms, reading and speech resource rooms and a library.
The facility also includes guidance and medical suites, dining areas, a full kitchen, an outdoor playground, an exercise room and a gymatorium with locker rooms.
Schools Chancellor Kamar Samuels said the annex would provide “high-quality instructional spaces for over 550 students while helping us meet class size requirements.”
Brooklyn’s other major projects include a 517-seat addition at P.S. 206, a 487-seat new intermediate school identified as K004 and 96 seats at the K280 Educational Campus.
Together with the John Dewey Annex, the four Brooklyn projects represent nearly 39% of the 4,272 seats tied to the major facilities.
The mix of additions, annexes and newly constructed buildings also shows how the city is creating capacity through several types of projects rather than relying exclusively on new standalone schools.
NYC School Seats Expand Alongside Class-Size Requirements
The additional NYC school seats are opening as the city works toward New York State’s class-size requirements.
Current state law sets limits of 20 students in kindergarten through third grade, 23 students in grades four through eight and 25 students in high school classrooms. Physical education classes and performing groups have a separate limit of 40 students.
Legislation enacted in June 2026 extended New York City’s deadline for full compliance from September 2028 to September 2030. The numerical limits themselves were not changed.
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NYC Public Schools released its 2026–27 class-size reduction plan in June and posted the updated plan on Sept. 4. The framework combines classroom construction, use of existing school space and teacher hiring as the system works toward the required class-size levels.
Physical classroom capacity is therefore one part of the broader compliance effort. Adding seats can provide more usable space, but staffing and the distribution of students among classrooms also affect whether individual classes meet the required limits.
The 2026–27 academic year begins Thursday, Sept. 10. Students are also returning amid other systemwide changes, including new classroom AI rules affecting younger grades.
Ten Major Facilities Account for 4,272 Seats
The 10 major projects together account for 4,272 seats.
Q497 New High School in Queens is the largest at 876 seats. The John Dewey Annex follows with 553 seats, while the P.S. 206 addition in Brooklyn provides another 517.
K004 New Intermediate School in Brooklyn adds 487 seats. The J.H.S. 216 addition in Queens adds 463, and Q340 New Elementary School adds 451.
Other projects include 325 seats at the P.S. 116 addition in Queens, 275 at the New York Harbor School Annex in Manhattan, 229 at the P.S. 95 addition in Queens and 96 at the K280 Educational Campus in Brooklyn.
Room conversions at 10 existing schools provide the remaining 384 seats and bring the overall citywide increase to 4,656.
For individual families, the effect of the additional capacity will depend on neighborhood, grade level, admissions arrangements and how each building is used. The 4,656 figure measures additional physical capacity across the system rather than a uniform change in classroom conditions at every school.
Frequently Asked Questions
How many new NYC school seats are being added for 2026–27?
New York City is adding 4,656 school seats for the 2026–27 school year. Of those, 4,272 come from 10 new or expanded facilities and 384 come from room conversions at 10 existing schools.
Which borough gets the most seats from the major projects?
Queens receives 2,344 of the 4,272 seats connected to the 10 major facility projects. That represents nearly 55% of the capacity provided through those projects.
How many seats does the John Dewey Annex add?
The John Dewey Annex in Gravesend adds 553 seats for students in grades six through eight. The three-story facility cost $77.71 million and contains general and special education classrooms, laboratories, arts spaces and student support facilities.
When does the 2026–27 NYC school year begin?
The 2026–27 New York City public school year begins Thursday, Sept. 10, 2026. The new and expanded school facilities are opening as the academic year gets underway.
How do the new seats relate to class-size requirements?
The new NYC school seats provide additional physical classroom capacity as the system works toward state-mandated class-size limits. Full compliance is now required by September 2030, with limits of 20 students in K–3, 23 in grades 4–8 and 25 in high school.
