Enrollment
295
Elementary
DISTRICT 663 · STATE 443
SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #21·NCES 360015202447
PS 121 NELSON A ROCKEFELLER
5301 20TH AVE, BROOKLYN, NY 11204 · (718) 377-8845 · Kings County
GRADES KG–08ELEMENTARY11-CITYTITLE IREGULAR SCHOOL295 STUDENTS
A-
allk12 Grade
Scored higher than 79% of New York public elementary schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools
Student : Teacher
7.1:1
42 FTE teachers
DISTRICT 12.1:1 · STATE 12.8:1
Free / Reduced Lunch
80%
237 students
DISTRICT 84% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 28 | 9% |
| Grade 1 | 27 | 9% |
| Grade 2 | 26 | 9% |
| Grade 3 | 28 | 9% |
| Grade 4 | 36 | 12% |
| Grade 5 | 28 | 9% |
| Grade 6 | 27 | 9% |
| Grade 7 | 46 | 16% |
| Grade 8 | 49 | 17% |
This year's kindergarten class (28) is 43% smaller than its 8th grade class (49).
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). 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
66.0%
NY avg 58.3% . +12.0pp since 2023
Math
65.0%
NY avg 57.4% . +3.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 66 of every 100 students at this school read and write at grade level and about 65 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 12 points since 2023, while math scores are up about 3 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 66.0% | 65.0% |
| 2023-24 | 54.0% | 62.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
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
62.1%
composite math + reading, all grades
Predicted
45.5%
based on NY schools with similar FRL share
Beats by
+16.7pp
above demographic expectation
What this means: About 62% of students here test proficient in math and reading, compared with the roughly 45% 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 →
Schools most like PS 121 NELSON A ROCKEFELLER
PS 121 NELSON A ROCKEFELLER's state test result (62.1% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| PS 121 NELSON A ROCKEFELLER this school | 295 | 80.3% | 62.1% |
| PS 11 THOMAS DONGAN SCHOOL STATEN ISLAND | 282 | 80.9% | 37.3% |
| PS 38 GEORGE CROMWELL STATEN ISLAND | 354 | 78.8% | 46.1% |
| STEAM BRIDGE SCHOOL (THE) BRONX | 271 | 80.4% | 77.2% |
| VAN CORLAER ELEMENTARY SCHOOL SCHENECTADY | 311 | 83.9% | 26.8% |
| PS 56 HARRY EICHLER RICHMOND HILL | 360 | 82.2% | 52.5% |
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where PS 121 NELSON A ROCKEFELLER ranks
Among elementary schools| Measure | This school | In New York | In Kings County |
|---|---|---|---|
| State test proficiency ranked highest first | 62.1% | #668 of 2,335 | #102 of 290 |
| Math proficiency ranked highest first | 65.0% | #882 of 2,342 ▼ 36 | #143 of 290 ▼ 22 |
| Reading proficiency ranked highest first | 66.0% | #683 of 2,343 ▲ 21 | #123 of 290 ▼ 13 |
| Enrollment ranked largest first | 295 | #2,019 of 2,585 | #208 of 306 |
| Students per teacher ranked fewest first | 7.1:1 | #28 of 2,338 | #6 of 249 |
| Diversity index ranked most diverse first | 71.2% | #161 of 2,388 | #19 of 263 |
| Free and reduced lunch ranked highest share first | 80.3% | #759 of 2,534 | #203 of 300 |
| Enrollment change since 2017-18 ranked steepest decline first | -11.7% | #1,040 of 1,757 | #176 of 225 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
295
-18 (-6%) vs 2020
+8% since 2010-11, when it was 273
Student : Teacher
7.1:1
was 6.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 295 | 41.7 | 7.1:1 | 80% (237) |
| 2023-24 | 299 | 40 | 7.5:1 | 78% (234) |
| 2022-23 | 314 | 42.9 | 7.3:1 | 72% (226) |
| 2020-21 | 313 | 49 | 6.4:1 | 75% (235) |
| 2017-18 | 334 | 52 | 6.4:1 | 65% (216) |
| 2015-16 | 346 | 47 | 7.4:1 | 57% (196) |
| 2010-11 | 273 | 25 | 10.9:1 | 67% (182) |
Source: NCES Common Core of Data. Rows are the federal collections on file for PS 121 NELSON A ROCKEFELLER.
About PS 121 NELSON A ROCKEFELLER
PS 121 NELSON A ROCKEFELLER is a small elementary school located in BROOKLYN, New York. Enrollment in 2024-25 was 295 students in kindergarten through 8. Against the 443-student average for elementary schools in New York, enrollment here is 33% lower.
NEW YORK CITY GEOGRAPHIC DISTRICT #21 has 40 schools; together they serve 33,610 students.
PS 121 NELSON A ROCKEFELLER's enrollment has no majority group, and Hispanic students are the largest at 35%. After that, the student body is 32% White, 25% Asian, 4% Black, and 3% multiracial. Among all residents of Kings County, the Hispanic share is about 19%. PS 121 NELSON A ROCKEFELLER has a diversity index of 71%, compared with 70% for all US public school students.
The school employs the equivalent of 41.7 full-time teachers, for a ratio of 7.1:1. Among elementary schools in New York, the typical ratio is 12.8:1. The free or reduced-price lunch share, often used to gauge student poverty, is 80%. Across public schools in Kings County, the average is about the same, 79%.
Measured against New York public elementary schools, PS 121 NELSON A ROCKEFELLER receives an A-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
Schools in New York with a similar free or reduced-price lunch share are predicted to score about 45.5%. PS 121 NELSON A ROCKEFELLER scores 62.1%.
Census estimates describe Kings County this way: median household income is about $80,263, a bachelor's degree or higher is held by about 42% of adults, and the poverty rate is about 15%. Federal data list 583 public schools in Kings County, with a combined enrollment of about 291,697.
Nearest public school: FRANKLIN DELANO ROOSEVELT HIGH SCHOOL, about 0.2 miles away. Other public schools within five miles: at least 8. Compared with its nearest neighbors, PS 121 NELSON A ROCKEFELLER ranks 3rd of 8 on average proficiency.
By NCES locale, the school is City: Large, or inside a principal city with a population of 250,000 or more.
The 2024-25 enrollment of 295 was 6% lower than in 2020-21, when it was 313.
Discussions about PS 121 NELSON A ROCKEFELLER may include school safety, transportation, and start times. Alumni can share how the school prepared them.
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 #21
- EDWARD R MURROW HIGH SCHOOLHigh · 3,503 students
- ABRAHAM LINCOLN HIGH SCHOOLHigh · 2,210 students
- JOHN DEWEY HIGH SCHOOLHigh · 2,209 students
- IS 228 DAVID A BOODYMiddle · 1,555 students
- IS 98 BAY ACADEMYMiddle · 1,435 students
- MARK TWAIN IS 239 FOR THE GIFTED AND TALENTEDMiddle · 1,295 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
- FRANKLIN DELANO ROOSEVELT HIGH SCHOOL0.2 mi · 3,403
- PS 192 MAGNET SCHOOL FOR MATH AND SCIENCE INQUIRY (THE)0.4 mi · 592
- PS 48 MAPLETON0.5 mi · 487
- PS 226 ALFRED DE B MASON0.5 mi · 877
- SEEALL ACADEMY (THE)0.6 mi · 851
- PS 2310.6 mi · 352
Frequently asked questions
About PS 121 NELSON A ROCKEFELLERWhat is the total enrollment at PS 121 NELSON A ROCKEFELLER?
PS 121 NELSON A ROCKEFELLER enrolls approximately 295 students in grades KG-08.
Is PS 121 NELSON A ROCKEFELLER an elementary, middle, or high school?
PS 121 NELSON A ROCKEFELLER is an elementary school covering grades KG-08.
How many teachers does PS 121 NELSON A ROCKEFELLER have?
PS 121 NELSON A ROCKEFELLER employs 42 FTE teachers, for a student-to-teacher ratio of 7.1:1.
What is the racial breakdown of students at PS 121 NELSON A ROCKEFELLER?
At PS 121 NELSON A ROCKEFELLER, the student body is approximately 32% White, 35% Hispanic, 4% Black, 25% Asian, 3% Two or more.
Who oversees PS 121 NELSON A ROCKEFELLER?
PS 121 NELSON A ROCKEFELLER is overseen by NEW YORK CITY GEOGRAPHIC DISTRICT #21 in Kings County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.