Serving 306 students in grades Prekindergarten-6, School 21 ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30% (which is lower than the New York state average of 46%). The percentage of students achieving proficiency in reading/language arts is 40% (which is lower than the New York state average of 49%).
The student:teacher ratio of 14:1 is higher than the New York state level of 11:1.
Minority enrollment is 77% of the student body (majority Hispanic), which is higher than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: Prekindergarten-6
- Enrollment: 306 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 77%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: 30% (Btm 50%)
- Reading Proficiency: 40% (Btm 50%)
- Science Proficiency: 80-89% (Top 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
School 21's student population of 306 students has declined by 32% over five school years.
The teacher population of 22 teachers has grown by 15% over five school years.
Grades Offered
Grades Prekindergarten-6
(offers virtual instruction)
(offers virtual instruction)
Total Students
306 students
Gender %
Total Classroom Teachers
22 teachers
Students by Grade
School Rankings
School 21 ranks within the bottom 50% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of School 21 is 0.63, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3057 out of 4377 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30%
46%
Reading/Language Arts Test Scores (% Proficient)
40%
49%
Science Test Scores (% Proficient)
80-89%
78%
Student : Teacher Ratio
14:1
11:1
American Indian
1%
1%
Asian
5%
10%
Hispanic
55%
30%
Black
13%
16%
White
23%
40%
Hawaiian
n/a
n/a
Two or more races
3%
3%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
51%
54%
Eligible for Reduced Lunch
6%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is School 21's ranking?
School 21 is ranked #3057 out of 4,377 schools, which ranks it among the bottom 50% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 46% NY state average), while 40% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend School 21?
306 students attend School 21.
What is the racial composition of the student body?
55% of School 21 students are Hispanic, 23% of students are White, 13% of students are Black, 5% of students are Asian, 3% of students are Two or more races, and 1% of students are American Indian.
What is the student:teacher ratio of School 21?
School 21 has a student ration of 14:1, which is higher than the New York state average of 11:1.
What grades does School 21 offer ?
School 21 offers enrollment in grades Prekindergarten-6 (offers virtual instruction).
What school district is School 21 part of?
School 21 is part of Yonkers City School District.
In what neighborhood is School 21 located?
School 21 is located in the Lincoln Park neighborhood of Yonkers, NY. There are 1 other public schools located in Lincoln Park.
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