P.S. 009 Sarah Anderson (03M009) is a public school in District 3, Upper West Side, Manhattan, serving grades pre-K, K–5. In 2026, 83% of tested students were proficient in reading and 92% were proficient in math (NYC DOE). Enrollment was 532 students in 2025–26 (NYC DOE). The average K–5 class size was 22.3 students in 2025–26 (NYC DOE).
Visit school websiteThe one thing to remember
2026 reading (83%) and math (92%) proficiency are both higher than most NYC elementary schools and about typical for those with similar economic need.
Also worth knowing: Average class size (2025–26) is 22.3, larger than most elementary schools in the district and citywide.
97%
of parents trust the principal
98%
trust their child's teachers
97%
satisfied with the education overall
NYC School Survey 2026. 57% of families answered.
Students here gain more than at most schools serving similar students
Impact score: 0.69 · 90th percentile
The DOE compares results with those of students with similar starting points and backgrounds.
View this school's official NYC DOE School Quality SnapshotReading
83%
students scored at Level 3 or 4
232 students tested
54 students tested
178 students tested
Mathematics
92%
students scored at Level 3 or 4
233 students tested
55 students tested
178 students tested
Excludes charter schools. Weighted by students tested.
New York changed its grades 3–8 tests in 2023. Compare years from 2023 onward with each other, not with earlier years.
Citywide reading scores fell sharply in 2026; NYC Public Schools is reviewing the results. Source: NYC Public Schools
| Year | Reading | Math |
|---|---|---|
| 2018 | 81% | 86% |
| 2019 | 80% | 82% |
| 2022 | 80% | 77% |
| 2023 | 83% | 85% |
| 2024 | 83% | 89% |
| 2025 | 86% | 87% |
| 2026 | 83% | 92% |
Proficiency means scoring at Level 3 or above. Test scores are one measure of a school, not the whole experience.
Economic need index: 17%0.4 mi away
Economic need index: 19%0.3 mi away
Economic need index: 17%
Economic need index: 13%0.3 mi away
Economic need index: 23%
Economic need index: 25%0.7 mi away
Economic need index: 35%0.4 mi away
Economic need index: 58%0.5 mi away
Economic need index: 61%0.7 mi away
Economic need index: 17%0.4 mi away
Economic need index: 19%0.3 mi away
Economic need index: 17%
Economic need index: 25%0.7 mi away
Economic need index: 13%0.3 mi away
Economic need index: 23%
Economic need index: 35%0.4 mi away
Economic need index: 61%0.7 mi away
Economic need index: 58%0.5 mi away
| Measure | P.S. 009 Sarah Anderson | M.S. 243 Center School |
|---|---|---|
| 2026 reading proficient | 83% (-3 points vs 2025) | 77% (-7 points vs 2025) |
| 2026 math proficient | 92% (+5 points vs 2025) | 80% (-3 points vs 2025) |
| Enrollment (2025–26) | 532 | 247 |
| Student–teacher ratio (2025–26) | 12.6 | 13.1 |
| Family satisfaction (2026) | 97% | 96% |
| Principal trust (2026) | 97% | 96% |
| Teacher trust (2026) | 98% | 95% |
| Leadership (2026) | 98% | 97% |
| Distance between schools | <0.01 mi | |
P.S. 009 Sarah Anderson has higher math proficiency than M.S. 243 Center School (92% vs 80%) and higher reading proficiency (83% vs 77%).
Enrollment
532 students
pre-K, K–5 · up 15 over five years
NYC DOE · 2025–26
Class size
22.3
children in the average K–5 class; about 12.6 students per teacher (2025–26)
NYC DOE · 2025–26
English learners
4%
was 5% in 2024–25
NYC DOE · 2025–26
Economic need
13% of students live in poverty (2025–26)
Economic need index: 17% — the measure we use to compare similar schools.
NYC DOE · 2025–26
Special education
22%
of students here are in special education
NYC DOE · 2025–26
Student body: 61% White, 15% Hispanic, 9% Asian, 3% Black, 11% multiracial, 52% female, 48% male.
Economic need index: 17% — the measure we use to compare similar schools. It combines measures of students’ economic circumstances; it is not a measure of school quality.
NYC DOE · 2026 survey
NYC DOE · 2024–25
Admissions for NYC public schools go through MySchools. Check the attendance zone shown above; zones can change and do not guarantee a seat.
100 WEST 84 STREET
Source: NYC DOE / NYSED, 2026 · School information · View this school's official NYC DOE School Quality Snapshot
Admissions for NYC public schools go through MySchools.