District 21: chronic absenteeism by school

Brooklyn, New York City · 40 schools

34.7%

chronically absent in 2024-25

33.3%

all NYC public schools

25

of 40 schools lowered their rate from 2023-24

The district rate fell 0.7 points from 2023-24, and was 25.1% in 2018-19, before the pandemic.

Schools in District 21

School2024-25Change
Abraham Lincoln High School21K41048.7%down 3.6
Brooklyn Studio Secondary School21K69027.4%up 5.7
Brooklyn's Daily Discovery Pre-K Center21K84067.5%steady
Edward R. Murrow High School21K52536.2%up 0.9
High School of Sports Management21K34853.8%steady
I.S. 096 Seth Low21K09628.4%down 0.9
I.S. 228 David A. Boody21K22827.8%down 0.7
I.S. 281 Joseph B Cavallaro21K28125.8%up 3.7
I.S. 303 Herbert S. Eisenberg21K30334.4%up 3.9
I.S. 98 Bay Academy21K09823.8%down 1.9
International High School at Lafayette21K33747.2%up 6.3
John Dewey High School21K54031.3%up 0.9
Kingsborough Early College School21K46843.6%down 5.0
Leaders High School21K57242.6%down 2.4
Life Academy High School for Business and Technology21K55952.9%up 18.9
Mark Twain I.S. 239 for the Gifted & Talented21K23916.8%down 1.1
P.S. 095 The Gravesend21K09523.6%down 2.0
P.S. 099 Isaac Asimov21K09937.9%steady
P.S. 100 The Coney Island School21K10021.0%down 6.7
P.S. 101 The Verrazano21K10117.3%down 1.6
P.S. 121 Nelson A. Rockefeller21K12128.5%up 4.3
P.S. 128 Bensonhurst21K12827.0%up 2.5
P.S. 153 Homecrest21K15331.7%down 4.6
P.S. 177 The Marlboro21K17725.2%down 1.6
P.S. 188 Michael E. Berdy21K18860.4%down 3.0
P.S. 199 Frederick Wachtel21K19937.4%down 1.1
P.S. 209 Margaret Mead21K20927.2%down 4.2
P.S. 212 Lady Deborah Moody21K21238.0%steady
P.S. 215 Morris H. Weiss21K21532.0%down 2.5
P.S. 216 Arturo Toscanini21K21632.6%down 1.2
P.S. 226 Alfred De B. Mason21K22627.3%steady
P.S. 238 Anne Sullivan21K23843.6%down 3.6
P.S. 25321K25332.7%down 1.2
P.S. 288 The Shirley Tanyhill21K28864.7%down 5.2
P.S. 329 Surfside21K32956.0%down 5.3
P.S. 90 Edna Cohen School21K09051.0%down 6.1
P.S. 97 The Highlawn21K09720.7%down 1.3
P.S. K225 - The Eileen E. Zaglin21K22548.0%down 1.2
Rachel Carson High School21K34439.7%down 2.1
William E. Grady Career and Technical Education High School21K62056.3%up 1.1

District 21 by year

YearDistrictNYC
2018-1925.1%26.5%
2019-2023.4%25.1%
2020-2131.5%29.7%
2021-2239.8%40.4%
2022-2336.3%36.2%
2023-2435.4%34.8%
2024-2534.7%33.3%

▼ and ▲ show the change in percentage points from 2023-24. Source: NYC Public Schools, End-of-Year Attendance and Chronic Absenteeism Data. The district rate includes transfer schools, which the school-level data leaves out.

Every absence followed up, across District 21.

BrainBridge gives each school’s attendance team a daily follow-up list from the ATS file, family texts from each staff member’s own line, and a weekly meeting agenda, with the records A-210 asks for.

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