PS 99 ISAAC ASIMOV

PS 99 ISAAC ASIMOV operates as a roomy K-5 school in BROOKLYN, New York, run under NEW YORK CITY GEOGRAPHIC DISTRICT #21. Current enrollment sits at 847 students spanning grades pre-K through 8. That puts it 91% bigger than the typical public school in New York, which averages around 443 students.

NEW YORK CITY GEOGRAPHIC DISTRICT #21 runs 40 schools in total, collectively educating 33,610 students. PS 99 ISAAC ASIMOV is one of those campuses.

On the student-mix side, PS 99 ISAAC ASIMOV logs that 45% of students identify as Asian, with the remaining enrollment distributed across several groups. Beyond that, the school records 29% White, 19% Hispanic, 4% Black. That is meaningfully more Asian than the county at large, where the share is closer to 12%.

Looking at school resources, On paper, PS 99 ISAAC ASIMOV has 69 full-time-equivalent teachers, translating to a class-load average of around 12.2:1. The state averages about 12.8:1, putting this campus right in line with peers. Around 87% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.

After controlling for student poverty, PS 99 ISAAC ASIMOV sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 43.1%; this one delivers 46.3%.

In the surrounding community, census data for Kings County shows median household earnings sit near $80,263, roughly 42% of adults have completed at least a four-year degree, and the poverty rate sits near 15%. PS 99 ISAAC ASIMOV is one of 583 public schools in Kings County (combined enrollment of about 291,697 students).

Nearest neighbor: EDWARD R MURROW HIGH SCHOOL, around 0.4 miles off. Counting just inside five miles, 8 other public schools cluster around PS 99 ISAAC ASIMOV. Ranking that nearby cluster on reported proficiency puts PS 99 ISAAC ASIMOV at 7th of 8; the average score across the group is 55.3%.

The campus sits in a high-density setting.

Five-year trend. Looking back 7 years, enrollment at PS 99 ISAAC ASIMOV has declined 3%, going from 874 students in 2018 to 847 in 2025. Over the same period, the Asian share grew from 41% to 45%. Class-load math has tightened: from 14.8:1 in 2018 to 12.2:1 in 2025.

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