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Alumni: what's one memory from PS 99 ISAAC ASIMOV that still sticks with you?
Community prompt from u/allk12. Replies below.
Enrollment
847
Elementary
DISTRICT 663 · STATE 443
SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #21·NCES 360015202377
PS 99 ISAAC ASIMOV
1120 E 10TH ST, BROOKLYN, NY 11230 · (718) 338-9201 · Kings County
GRADES PK–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL847 STUDENTS
B-
allk12 Grade
Scored higher than 52% of New York public elementary schools
- C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools
Student : Teacher
12.2:1
69 FTE teachers
DISTRICT 12.1:1 · STATE 12.8:1
Free / Reduced Lunch
87%
734 students
DISTRICT 84% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 36 | 4% |
| Kindergarten | 78 | 9% |
| Grade 1 | 89 | 11% |
| Grade 2 | 82 | 10% |
| Grade 3 | 109 | 13% |
| Grade 4 | 87 | 10% |
| Grade 5 | 92 | 11% |
| Grade 6 | 82 | 10% |
| Grade 7 | 95 | 11% |
| Grade 8 | 95 | 11% |
| Ungraded | 2 | 0% |
This year's kindergarten class (78) is 18% smaller than its 8th grade class (95).
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
44.0%
NY avg 58.3% . +5.0pp since 2023
Math
55.9%
NY avg 57.4% . +8.4pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 44 of every 100 students at this school read and write at grade level and about 56 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 5 points since 2023, while math scores are up about 8 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 44.0% | 55.9% |
| 2023-24 | 39.0% | 47.5% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
46.3%
composite math + reading, all grades
Predicted
43.1%
based on NY schools with similar FRL share
Beats by
+3.2pp
above demographic expectation
What this means: About 46% of students here test proficient in math and reading, compared with the roughly 43% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like PS 99 ISAAC ASIMOV
PS 99 ISAAC ASIMOV's state test result (46.3% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| PS 99 ISAAC ASIMOV this school | 847 | 86.7% | 46.3% |
| PS 217 COLONEL DAVID MARCUS SCHOOL BROOKLYN | 901 | 85.7% | 50.7% |
| PS 97 HIGHLAWN (THE) BROOKLYN | 882 | 77.6% | 64.7% |
| SEEALL ACADEMY (THE) BROOKLYN | 851 | 90.4% | 66.7% |
| PS 62 CHESTER PARK SCHOOL SOUTH RICHMOND HILL | 827 | 83.7% | 50.8% |
| RALPH A FABRIZIO SCHOOL BROOKLYN | 828 | 90.5% | 70.6% |
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where PS 99 ISAAC ASIMOV ranks
Among elementary schools| Measure | This school | In New York | In Kings County |
|---|---|---|---|
| State test proficiency ranked highest first | 46.3% | #1,321 of 2,335 | #187 of 290 |
| Math proficiency ranked highest first | 55.9% | #1,235 of 2,342 ▲ 169 | #188 of 290 ▲ 2 |
| Reading proficiency ranked highest first | 44.0% | #1,599 of 2,343 ▼ 269 | #236 of 290 ▼ 44 |
| Enrollment ranked largest first | 847 | #107 of 2,585 | #34 of 306 |
| Students per teacher ranked fewest first | 12.2:1 | #1,345 of 2,338 | #109 of 249 |
| Diversity index ranked most diverse first | 67.0% | #362 of 2,388 | #50 of 263 |
| Free and reduced lunch ranked highest share first | 86.7% | #549 of 2,534 | #158 of 300 |
| Enrollment change since 2017-18 ranked steepest decline first | -3.1% | #1,591 of 1,757 | #219 of 225 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
847
0 (0%) vs 2020
+15% since 2010-11, when it was 737
Student : Teacher
12.2:1
was 16.3:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 847 | 69.4 | 12.2:1 | 87% (734) |
| 2023-24 | 831 | 64.2 | 12.9:1 | 84% (694) |
| 2022-23 | 804 | 58 | 13.9:1 | 81% (652) |
| 2020-21 | 847 | 52 | 16.3:1 | 79% (666) |
| 2017-18 | 874 | 59 | 14.8:1 | 74% (648) |
| 2015-16 | 882 | 54 | 16.3:1 | 56% (494) |
| 2010-11 | 737 | 50 | 14.7:1 | 83% (610) |
Source: NCES Common Core of Data. Rows are the federal collections on file for PS 99 ISAAC ASIMOV.
About PS 99 ISAAC ASIMOV
PS 99 ISAAC ASIMOV is a large elementary school serving families in BROOKLYN, New York. Enrollment totals 847 students across pre-K through 8. The school is 91% larger than the average for elementary schools in New York.
Within NEW YORK CITY GEOGRAPHIC DISTRICT #21, PS 99 ISAAC ASIMOV is one of 40 schools. The district enrolls 33,610 students.
No group is above 50% at PS 99 ISAAC ASIMOV; the largest is Asian, at 45%. Beyond that, enrollment is 29% White, 19% Hispanic, and 4% Black. The Asian share of the county population is lower, at 12%. On the diversity index, which measures the chance that two random students are from different groups, PS 99 ISAAC ASIMOV scores 67%.
The school had 69.4 full-time-equivalent teachers in 2024-25. Its student-to-teacher ratio is 12.2:1. The average for elementary schools in New York is about 12.8:1. The eligibility rate for free or reduced-price meals is 87%.
On the allk12 Grade, PS 99 ISAAC ASIMOV lands at B-, ahead of 52% of New York public elementary schools.
The model predicts 43.1% for a school in New York with PS 99 ISAAC ASIMOV's free or reduced-price lunch share. PS 99 ISAAC ASIMOV posts 46.3%.
For Kings County, Census Bureau data show median household income comes to about $80,263, about 42% of adults have at least a bachelor's degree, and the poverty rate is about 15%. The county has 583 public schools and about 291,697 students.
The closest school to PS 99 ISAAC ASIMOV is EDWARD R MURROW HIGH SCHOOL, located about 0.4 miles away. In all, at least 8 other public schools sit within five miles of PS 99 ISAAC ASIMOV. In a group of 8 nearby schools with scores, PS 99 ISAAC ASIMOV ranks 7th on average proficiency.
Locale data from NCES put PS 99 ISAAC ASIMOV inside a principal city with a population of 250,000 or more (City: Large).
Enrollment has been fairly stable: 847 in 2020-21 and 847 in 2024-25. The ratio of students to teachers went from 16.3:1 to 12.2:1 over the same years.
Anyone can start a thread about fundraisers, report cards, and school supplies at PS 99 ISAAC ASIMOV. Parents, students, alumni, and staff are welcome to post.
Kings County at a glance
View full county profilePopulation
2,631,580
Census ACS
Median income
$80,263
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
15%
Below federal line
Schools in county
583
291,697 students
Quick facts
Related schools
Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT #21
- EDWARD R MURROW HIGH SCHOOLHigh · 3,503 students
- ABRAHAM LINCOLN HIGH SCHOOLHigh · 2,210 students
- JOHN DEWEY HIGH SCHOOLHigh · 2,209 students
- IS 228 DAVID A BOODYMiddle · 1,555 students
- IS 98 BAY ACADEMYMiddle · 1,435 students
- MARK TWAIN IS 239 FOR THE GIFTED AND TALENTEDMiddle · 1,295 students
Other schools in BROOKLYN
- BROOKLYN TECHNICAL HIGH SCHOOLHigh · 5,848 students
- FORT HAMILTON HIGH SCHOOLHigh · 4,044 students
- JAMES MADISON HIGH SCHOOLHigh · 3,983 students
- MIDWOOD HIGH SCHOOLHigh · 3,657 students
- EDWARD R MURROW HIGH SCHOOLHigh · 3,503 students
- FRANKLIN DELANO ROOSEVELT HIGH SCHOOLHigh · 3,403 students
Nearby schools
- EDWARD R MURROW HIGH SCHOOL0.4 mi · 3,503
- PS 199 FREDERICK WACHTEL0.4 mi · 508
- URBAN DOVE TEAM CHARTER SCHOOL0.6 mi · 289
- PS 121 NELSON A ROCKEFELLER0.7 mi · 295
- PS 226 ALFRED DE B MASON0.7 mi · 877
- BROOKLYN DREAMS CHARTER SCHOOL0.8 mi · 489
Frequently asked questions
About PS 99 ISAAC ASIMOVHow many students attend PS 99 ISAAC ASIMOV?
PS 99 ISAAC ASIMOV enrolls approximately 847 students in grades PK-08.
What grades does PS 99 ISAAC ASIMOV serve?
PS 99 ISAAC ASIMOV serves grades PK-08.
What is the student-teacher ratio at PS 99 ISAAC ASIMOV?
The student-to-teacher ratio at PS 99 ISAAC ASIMOV is approximately 12.2:1 (69 FTE teachers).
What is the student diversity at PS 99 ISAAC ASIMOV?
Student demographics at PS 99 ISAAC ASIMOV are roughly 29% White, 19% Hispanic, 4% Black, 45% Asian, 1% Two or more.
Is PS 99 ISAAC ASIMOV public or private?
PS 99 ISAAC ASIMOV is a public K-12 school, overseen by NEW YORK CITY GEOGRAPHIC DISTRICT #21.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.