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What's the one class at PS 21 CRISPUS ATTUCKS every student should take?
Community prompt from u/allk12. Replies below.
Enrollment
430
Elementary
DISTRICT 233 · STATE 443
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
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
Student demographics
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
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
What this means: On the NYS Assessments, New York's statewide test, about 80 of every 100 students at this school read and write at grade level and about 77 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 22 points since 2023, while math scores are up about 17 points.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 64% of students here test proficient in math and reading, compared with the roughly 46% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
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 2024-25Enrollment
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 profilePopulation
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
Related schools
Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT #16
- BROOKLYN HIGH SCHOOL FOR LAW AND TECHNOLOGYHigh · 469 students
- PS 40 GEORGE W CARVERElementary · 465 students
- BOYS AND GIRLS HIGH SCHOOLHigh · 353 students
- BROOKLYN BROWNSTONE SCHOOLElementary · 352 students
- BROOKLYN ACADEMY OF GLOBAL FINANCE (THE)High · 222 students
- PS 5 DR RONALD MCNAIRElementary · 218 students
Other schools in BROOKLYN
- BROOKLYN TECHNICAL HIGH SCHOOLHigh · 5,848 students
- FORT HAMILTON HIGH SCHOOLHigh · 4,044 students
- JAMES MADISON HIGH SCHOOLHigh · 3,983 students
- MIDWOOD HIGH SCHOOLHigh · 3,657 students
- EDWARD R MURROW HIGH SCHOOLHigh · 3,503 students
- FRANKLIN DELANO ROOSEVELT HIGH SCHOOLHigh · 3,403 students
Nearby schools
- UNCOMMON EXCELLENCE BOYS CHARTER SCHOOL NYC0.2 mi · 415
- PS 40 GEORGE W CARVER0.2 mi · 465
- PS 262 EL HAJJ MALIK EL SHABAZZ ELEMENTARY SCHOOL0.3 mi · 155
- BOYS AND GIRLS HIGH SCHOOL0.3 mi · 353
- RESEARCH AND SERVICE HIGH SCHOOL0.3 mi · 184
- NELSON MANDELA HIGH SCHOOL0.3 mi · 138
Frequently asked questions
About PS 21 CRISPUS ATTUCKSHow 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.