NEW YORK CITY GEOGRAPHIC DISTRICT #21

BROOKLYN, New York · 34,421 students · 40 schools

Enrollment

34,421

Schools

Location

BROOKLYN, New York

COSMIQ projected accountability rating

Near average

on New York's per-indicator accountability scale

Confidence 94% Data completeness 100% Based on 2023–24 data

This is an independent estimate generated by COSMIQ's open Rating Predictor from public math & reading proficiency — it is not an official New York rating, and states weight many additional factors.

How this is calculated →Run the live predictor →

Proficiency trend

Percent of students proficient on the state assessment.

School year	Math	Reading / ELA
2024–25	62%	54%

Where this district could improve

ELA proficiency
Worth 50% of the formula; you're at 50% of max points.
Math proficiency
Worth 50% of the formula; you're at 60% of max points.

Schools in this district

EDWARD R MURROW HIGH SCHOOLBROOKLYN, NY 3,639 students JOHN DEWEY HIGH SCHOOLBROOKLYN, NY 2,150 students ABRAHAM LINCOLN HIGH SCHOOLBROOKLYN, NY 2,129 students IS 228 DAVID A BOODYBROOKLYN, NY 1,551 students IS 98 BAY ACADEMYBROOKLYN, NY 1,488 students MARK TWAIN IS 239 FOR THE GIFTED AND TALENTEDBROOKLYN, NY 1,207 students IS 281 JOSEPH B CAVALLAROBROOKLYN, NY 1,164 students PS 101 VERRAZANO (THE)BROOKLYN, NY 1,057 students PS 225 EILEEN E ZAGLIN (THE)BROOKLYN, NY 963 students PS 95 GRAVESEND (THE)BROOKLYN, NY 940 students PS 226 ALFRED DE B MASONBROOKLYN, NY 910 students BROOKLYN STUDIO SECONDARY SCHOOLBROOKLYN, NY 876 students PS 253BROOKLYN, NY 875 students PS 177 MARLBORO (THE)BROOKLYN, NY 869 students PS 97 HIGHLAWN (THE)BROOKLYN, NY 849 students IS 96 SETH LOWBROOKLYN, NY 839 students PS 99 ISAAC ASIMOVBROOKLYN, NY 804 students KINGSBOROUGH EARLY COLLEGE SCHOOLBROOKLYN, NY 743 students PS 209 MARGARET MEADBROOKLYN, NY 729 students PS 215 MORRIS H WEISSBROOKLYN, NY 707 students PS 216 ARTURO TOSCANINIBROOKLYN, NY 690 students

Methodology & sources

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<figure style="font-family:system-ui,-apple-system,sans-serif;border:1px solid #e2e8f0;border-radius:12px;padding:20px 22px;max-width:480px;background:#ffffff;color:#0f172a;margin:0;line-height:1.4"><div style="font-size:15px;font-weight:700">NEW YORK CITY GEOGRAPHIC DISTRICT #21</div><div style="font-size:13px;color:#64748b;margin-top:3px">BROOKLYN, New York &middot; Public school district</div><div style="display:flex;flex-wrap:wrap;margin-top:14px"><div style="margin-right:20px"><div style="font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;margin-bottom:2px">Enrollment</div><div style="font-size:22px;font-weight:700;color:#0f172a">34,421</div></div><div><div style="font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;margin-bottom:2px">Projected Rating (per-indicator)</div><div style="font-size:22px;font-weight:700;color:#0f172a">Near average</div></div></div><figcaption style="font-size:11px;color:#94a3b8;margin-top:14px;padding-top:12px;border-top:1px solid #f1f5f9">Data: NCES / EDFacts (2024 data) &middot; <a href="https://getcosmiq.app/schools/NY/new-york-city-geographic-district-21" style="color:#0891b2;text-decoration:none" target="_blank" rel="noopener">View full profile on COSMIQ &#8594;</a></figcaption></figure>

Cite this page

COSMIQ. (2026). NEW YORK CITY GEOGRAPHIC DISTRICT #21 — school district profile. Retrieved August 23, 2026, from https://getcosmiq.app/schools/NY/new-york-city-geographic-district-21

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About this profile. COSMIQ is an independent, free AI tutoring service and is not affiliated with, endorsed by, or sponsored by NEW YORK CITY GEOGRAPHIC DISTRICT #21, New York, or any government education agency. All figures are drawn from public U.S. Department of Education data (NCES Common Core of Data and EDFacts). Any projected rating is an independent estimate, not an official score. COSMIQ does not collect or publish user reviews or ratings of schools.

Data last refreshed August 7, 2026.