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SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #16·NCES 360009402108

PS 21 CRISPUS ATTUCKS

180 CHAUNCEY ST, BROOKLYN, NY 11233 · (718) 493-9681 · Kings County
GRADES PK–05ELEMENTARY11-CITYTITLE IREGULAR SCHOOL430 STUDENTS
Enrollment
430
Elementary
DISTRICT 233 · STATE 443
Student : Teacher
13.2:1
33 FTE teachers
DISTRICT 10.4:1 · STATE 12.8:1
Free / Reduced Lunch
80%
343 students
DISTRICT 88% · 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
Pre-K
84
Kindergarten
53
Grade 1
57
Grade 2
51
Grade 3
63
Grade 4
58
Grade 5
64
Student demographics
White
41%
DISTRICT 5% · STATE 39%
Hispanic
6214%
DISTRICT 26% · STATE 31%
Black
35983%
DISTRICT 64% · STATE 16%
Two+
31%
DISTRICT 2% · STATE 4%
Native American
20%
DISTRICT 1% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19345%
Female
23755%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
80.0%
NY avg 58.3% . +22.0pp since 2023
Math
77.0%
NY avg 57.4% . +17.0pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
64.2%
composite math + reading, all grades
Predicted
45.7%
based on NY schools with similar FRL share
Beats by
+18.6pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
430
-144 (-25%) vs 2017
Student : Teacher
13.2:1
was 13.7:1
% White
1%
was 3%
% Hispanic
14%
was 11%
% Black
83%
was 85%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About PS 21 CRISPUS ATTUCKS

PS 21 CRISPUS ATTUCKS, a mid-sized K-5 school in BROOKLYN, New York, run under NEW YORK CITY GEOGRAPHIC DISTRICT #16, educates 430 students, covering grades pre-K through 5.

NEW YORK CITY GEOGRAPHIC DISTRICT #16 runs 23 schools in total, collectively educating 5,175 students. PS 21 CRISPUS ATTUCKS is one of those campuses.

Demographically, PS 21 CRISPUS ATTUCKS reports that 83% of students identify as Black, making the school strongly Black-majority. The remainder reads as 14% Hispanic. That is considerably more Black than the county at large, where the share is closer to 28%.

Looking at school resources, On paper, PS 21 CRISPUS ATTUCKS has 33 full-time-equivalent teachers, translating to a class-load average of around 13.2:1. The state averages about 12.8:1, putting this campus right in line with peers. Roughly 80% of students at PS 21 CRISPUS ATTUCKS qualify for free or reduced-price lunch, often used as a Title I proxy.

On a demographically-adjusted basis, PS 21 CRISPUS ATTUCKS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 45.7%; this one delivers 64.2%.

Across the wider county, ACS estimates for Kings County put median household earnings sit near $80,263, about 42% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 15%. PS 21 CRISPUS ATTUCKS is one of 583 public schools in Kings County (combined enrollment of about 291,697 students).

UNCOMMON EXCELLENCE BOYS CHARTER SCHOOL NYC is the nearest neighboring public school, about 0.2 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts PS 21 CRISPUS ATTUCKS at 3rd of 9; the average score across the group is 48.5%.

The campus sits in a downtown setting.

Five-year trend. PS 21 CRISPUS ATTUCKS's enrollment has shrank 25% since 2018, when it stood at 574 (now 430).

On the community side, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.

Kings County at a glance

View full county profile
Population
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

School name
PS 21 CRISPUS ATTUCKS
District
NEW YORK CITY GEOGRAPHIC DISTRICT #16
Address
180 CHAUNCEY ST, BROOKLYN, NY 11233
Phone
(718) 493-9681
County
Kings County
Level
Elementary
Grade range
PK–05
Total enrollment
430
Teachers (FTE)
33
Student–teacher ratio
13.2:1
Free/Reduced lunch
343 (80%)
Locale
11-City: Large
NCES ID
360009402108
Charter school
No
Virtual school
No

Related schools

Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT #16
Other schools in BROOKLYN
Nearby schools

Frequently asked questions

About PS 21 CRISPUS ATTUCKS
How many students attend PS 21 CRISPUS ATTUCKS?
PS 21 CRISPUS ATTUCKS enrolls approximately 430 students in grades PK-05.
What grades does PS 21 CRISPUS ATTUCKS serve?
PS 21 CRISPUS ATTUCKS serves grades PK-05.
What is the student-teacher ratio at PS 21 CRISPUS ATTUCKS?
The student-to-teacher ratio at PS 21 CRISPUS ATTUCKS is approximately 13.2:1 (33 FTE teachers).
What is the student diversity at PS 21 CRISPUS ATTUCKS?
Student demographics at PS 21 CRISPUS ATTUCKS are roughly 1% White, 14% Hispanic, 83% Black, 1% Two or more.
What district is PS 21 CRISPUS ATTUCKS in?
PS 21 CRISPUS ATTUCKS is part of NEW YORK CITY GEOGRAPHIC DISTRICT #16.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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