« District 21

P.S. 121 Nelson A. Rockefeller

21K121

PK,0K,01,02,03,04,05,06,07,08 - Brooklyn, District 21

5301 20 AVENUE (get directions)

$142.36/student (PTA & enrollment SY2024-25)

287 students (SY2025-26)

FY@budget.Year budget $1,214,535 ($4,232/student)

Attendance: 92.2%

ELA Course Pass Rate: 92.6%

Math Course Pass Rate: 93.4%

Overview

P.S. 121 Nelson A. Rockefeller is a k-8 school (grades PK,0K,01,02,03,04,05,06,07,08) in Brooklyn, Community School District 21.

Enrollment & demographics

School year	Total enrollment
2013-14	378
2014-15	379
2015-16	356
2016-17	350
2017-18	336
2018-19	337
2019-20	333
2020-21	315
2021-22	316
2022-23	318
2023-24	304
2024-25	306
2025-26	287

% female: 50.5% (2025-26)

% poverty: 76.3% (2025-26)

% students with disabilities: 28.2% (2025-26)

% English language learners: 26.1% (2025-26)

Data year

Mixed years. Each share is the newest year this school published it, shown next to the number.

Race / ethnicity

DOE reports race and ethnicity. It does not publish country of nationality.

Asian: 24.7% (2025-26)

Black: 4.9% (2025-26)

Hispanic: 34.5% (2025-26)

White: 31.7% (2025-26)

Multi-racial: 3.1% (2025-26)

Native American: 1% (2025-26)

Economic Need Index: 0.77 (DOE's poverty/need composite score, 0-1)

Academic / quality

Attendance: 92.2%

ELA Course Pass Rate: 92.6%

Math Course Pass Rate: 93.4%

Year	Metric	Value
2024	Attendance	92.2%
2024	ELA course pass rate	92.6%
2024	Math course pass rate	93.4%
2023	Attendance	92.6%
2023	ELA course pass rate	96.7%
2023	Math course pass rate	98.3%
2022	Attendance	92.4%
2022	ELA course pass rate	95.6%
2022	Math course pass rate	99.1%
2021	Attendance	92.3%
2021	ELA course pass rate	91.6%
2021	Math course pass rate	88.8%
2020	Attendance	93.7%
2020	ELA course pass rate	98.2%
2020	Math course pass rate	99.1%
2019	Attendance	94.8%
2019	ELA course pass rate	100%
2019	Math course pass rate	100%
2018	Attendance	94.3%
2018	ELA course pass rate	79%
2018	Math course pass rate	92%
2017	ELA course pass rate	84.6%
2017	Math course pass rate	89.4%
2016	ELA course pass rate	88.4%
2016	Math course pass rate	84.2%
2015	ELA course pass rate	97.5%
2015	Math course pass rate	97.5%

See the full report on DOE's site for every metric this dataset publishes.

State tests

Mean scale score on the New York State test for the grades this school serves. The percent is students at level 3 or 4, not a percentile rank. Scores from 2023 on use the current standards and are not comparable to earlier years. High school SAT section scores stay in Academic / quality.

Year	Grade	Test	Mean scale score	Level 3+4	Tested
2026	3	ELA	449	50%	22
2026	3	Math	459	69.6%	23
2026	4	ELA	461	76%	25
2026	4	Math	481	92%	25
2026	5	ELA	451	48.6%	35
2026	5	Math	452	48.6%	37
2026	5	Science	447	44.1%	34
2026	6	ELA	449	63.6%	22
2026	6	Math	451	56.5%	23
2026	7	ELA	455	57.1%	21
2026	7	Math	464	76.2%	21
2026	8	ELA	447	53.3%	45
2026	8	Math	447	36.6%	41
2026	8	Science	445	39.3%	28
2025	3	ELA	462	86.4%	22
2025	3	Math	476	81.8%	22
2025	4	ELA	456	70%	30
2025	4	Math	468	72.7%	33
2025	5	ELA	456	61.1%	18
2025	5	Math	459	66.7%	21
2025	5	Science	449	61.9%	21
2025	6	ELA	456	62.5%	16
2025	6	Math	450	52.4%	21
2025	7	ELA	452	55%	40
2025	7	Math	456	50%	38
2025	8	ELA	458	69.2%	39
2025	8	Math	467	77.5%	40
2025	8	Science	456	56.5%	23
2024	3	ELA	445	42.3%	26
2024	3	Math	461	69.2%	26
2024	4	ELA	452	57.9%	19
2024	4	Math	459	66.7%	21
2024	5	ELA	446	45.5%	22
2024	5	Math	460	66.7%	18
2024	5	Science	448	54.2%	24
2024	6	ELA	446	41.9%	31
2024	6	Math	447	48.6%	37
2024	7	ELA	454	69%	29
2024	7	Math	463	64.1%	39
2024	8	ELA	454	69.2%	26
2024	8	Math	461	76%	25
2024	8	Science	449	43.5%	23
2023	3	ELA	452	57.9%	19
2023	3	Math	463	71.4%	21
2023	4	ELA	453	65.2%	23
2023	4	Math	461	80.8%	26
2023	5	ELA	449	50%	34
2023	5	Math	458	63.2%	38
2023	6	ELA	453	45.5%	22
2023	6	Math	463	65.4%	26
2023	7	ELA	458	76%	25
2023	7	Math	454	52.9%	34
2023	8	ELA	467	90.9%	33
2023	8	Math	448	38.1%	42
2022	3	ELA	607	73.9%	23
2022	3	Math	602	52.2%	23
2022	4	ELA	597	35.1%	37
2022	4	Math	596	33.3%	36
2022	5	ELA	608	53.6%	28
2022	5	Math	608	55.6%	27
2022	6	ELA	608	74.1%	27
2022	6	Math	599	32%	25
2022	7	ELA	610	67.9%	28
2022	7	Math	605	42.3%	26
2022	8	ELA	609	64.5%	31
2022	8	Math	611	60%	30
2019	3	ELA	609	71.4%	28
2019	3	Math	611	76.7%	30
2019	4	ELA	601	50%	38
2019	4	Math	608	69.2%	39
2019	5	ELA	608	52.9%	34
2019	5	Math	610	68.6%	35
2019	6	ELA	605	47.8%	23
2019	6	Math	606	50%	24
2019	7	ELA	606	48.4%	31
2019	7	Math	604	40.6%	32
2019	8	ELA	611	63.6%	33
2019	8	Math	608	58.8%	34
2018	3	ELA	610	67.6%	37
2018	3	Math	612	80%	40
2018	4	ELA	607	68.4%	38
2018	4	Math	609	59.5%	37
2018	5	ELA	603	37.5%	24
2018	5	Math	602	53.8%	26
2018	6	ELA	598	48.4%	31
2018	6	Math	599	34.4%	32
2018	7	ELA	602	44.8%	29
2018	7	Math	605	50%	30
2018	8	ELA	606	80.8%	26
2018	8	Math	607	66.7%	27

Specialized high school offers

Share of 8th graders in high-school admissions who received an offer to a testing specialized high school. A cell of 0-5 is DOE's suppression for a small count, so that year has no percent.

Year	In HS admissions	Took SHSAT	Offers	Offer rate
2025	51	16	0-5	not reported
2024	47	12	0-5	not reported
2023	59	15	0-5	not reported
2022	41	21	0-5	not reported

School budget (Galaxy)

Allocated school budget from DOE Galaxy. Fair Student Funding is the main flexible allocation. This is the budget, not dollars already spent. Per student uses the latest enrollment, which can be a different year than the fiscal year. Figures as of 2026-10-10.

Fiscal year	Total budget	Fair Student Funding	Per student
FY 2027	$1,214,535	not reported	$4,232
FY 2026	$1,042,632	not reported	$3,633

FY 2027 line items

Allocation	Amount
Title I SWP	$279,884
IDEA SBST Shared	$180,353
School Support Supplement	$102,648
IDEA RS IEP Para	$101,854
Class Size Reduction Planning	$100,498
TL 09 C4E ICT	$92,406
TL CB School Staff	$80,028
Contract for Excellence FY 09	$58,729
Contract for Excellence FY 2024	$45,730
C4E Class Size Reduction Planning	$41,218
TL C4E FSF	$36,785
Title I SWP STH	$34,325
Title IIA Supplemental	$14,462
Title III LEP	$12,465
TL ELA/Math Student Support	$11,029
High Need Support for Title I	$7,198
TL Computer Maintenance	$6,477
Title I SWP Parent and Family Engagement	$2,799
Title III LEP Carryover	$2,480
Title I SWP Translation Services	$2,284
High Need Support for Title I STH	$883

PTA funding (LL171)

$142.36/student (PTA & enrollment SY2024-25)

PTA/PA fundraising per enrolled student - higher generally means a more active parent fundraising community, not a DOE quality signal.

School year	Beginning balance	Total income	Total expenses	Ending balance
2024-25	$17,585	$43,562	$32,504	$11,057

Sources & methodology

A free, DOE / NYC Open Data-only tool. No paid ranking data (GreatSchools, Niche, or similar) anywhere on this site.

Data from NYC Department of Education and NYC Open Data. Free and public - no accounts, no paid ranking data.