SCHOOL 21
Score 21.7/100: better than 21% of New York elementary schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2024-25)
% proficient on state tests in New York, all students. Colored bars are green when the school is at or above the average for similar New York schools.
Results over time
How this school's published results have moved year by year. † marks a year when the state changed its test, so that change isn't comparable.
All 12 published results by grade and test
As published by New York State Education Department. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | Grade 3 | NYS ELA3 | 52 | 52 |
| English language arts | All grades | NYS ELA3_8 | 41 | 169 |
| English language arts | Grade 4 | NYS ELA4 | 29 | 35 |
| English language arts | Grade 5 | NYS ELA5 | 42 | 36 |
| English language arts | Grade 6 | NYS ELA6 | 39 | 46 |
| Math | Grade 3 | NYS MATH3 | 52 | 54 |
| Math | All grades | NYS MATH3_8 | 41 | 172 |
| Math | Grade 4 | NYS MATH4 | 42 | 36 |
| Math | Grade 5 | NYS MATH5 | 31 | 36 |
| Math | Grade 6 | NYS MATH6 | 37 | 46 |
| Science | Grade 5 | NYS Science5 | 31 | 36 |
| Science | All grades | NYS Science5_8 | 31 | 36 |
School profile
- Grades
- PK-6
- Students
- 306
- Type
- Elementary school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
Yonkers, NY 10705
"Typical" is the middle (median) elementary school in New York. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby elementary schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Yonkers
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
SCHOOL 21 at a glance
SCHOOL 21 is a public elementary school in Yonkers, New York, serving grades PK-6. It is part of Yonkers City School District. It has about 306 students (a typical New York elementary school has 404). About 71% of students are eligible for free or reduced-price lunch, compared with 50% at a typical New York elementary school, which is useful context when reading test results.
In 2024-25 state tests, 41% in English language arts (similar schools: 55%) and 41% in math (similar schools: 58%) reached the state standard (% proficient). On our score, which compares it only with other New York elementary schools, it scores 21.7 out of 100: better than 21% of them, ranking #1,599 of 2,042. Its English language arts result rose by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.