SchoolRow
#1770

School 21

Yonkers, NY · Yonkers City School District · Grades PK-6

1,770th of 2,326 New York elementary schools statewide · better than 24% Improving

306
Students
2023–24 enrollment
14.6:1
Student / teacher ratio
57%
Free / reduced-price lunch
low-income indicator
51.2%
Chronically absent
NY average 27%

School 21 ranking

SchoolRow ranks School 21 1,770th of 2,326 New York elementary schools for 2024–25, based on NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate English and Math results — better than 24% of elementary schools statewide. Its statewide percentile went from 19th in 2019 to 24th in 2025 — improving.

Statewide percentile by year
25%50%75%24%201920202025no testing 2020–21

School 21 test scores

Percent meeting or exceeding the state standard, NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate

English Language Arts
This school
41%
NY average
53%
Math
This school
41%
NY average
57%
Science
This school
31%
NY average
51%
English Language Arts over time this school NY average
25%50%75%41%53%201920202025no testing 2020–21
Math over time this school NY average
25%50%75%41%57%201920202025no testing 2020–21

School 21 students

Racial and ethnic breakdown of 306 students (202324, NCES) — and how it has shifted since 2013

Hispanic55%White23%Black13%
Hover the pie for details
Hispanic 55%White 23%Black 13%56%23%13%20132023
GroupTrend20132023Change
Hispanic55.8%55.2% 0.6 pts
White23.2%22.9% 0.3 pts
Black12.9%13.4% 0.5 pts
Asian6.0%4.6% 1.4 pts
Two or more races1.4%2.6% 1.2 pts
American Indian0.6%1.3% 0.7 pts

Homes near School 21

Typical home value $709K in zip 10705 as of 2026-05 · trend since 2000

$177K$354K$530K$707K$674K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 10705 on Zillow →

Elementary schools near School 21

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is School 21 in?

School 21 is part of the Yonkers City School District district in Yonkers, New York.

Is School 21 a good school?

SchoolRow ranks School 21 1,770th of 2,326 New York elementary schools (better than 24% statewide) based on 2024–25 test results (NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate).

What is the racial makeup of School 21?

Hispanic 55%, White 23%, Black 13%, Asian 5% (306 students, 2023–24).

How much do homes near School 21 cost?

The typical home value in zip code 10705 is $709K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.