P.S. 121 Nelson A. Rockefeller
Lower Economic NeedBrooklyn · K-8 · DBN: 21K1210
Location
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Address: 5301 20 Avenue, Brooklyn, NY 11204
Grades Served: PK,0K,01,02,03,04,05,06,07,08
Principal: Zakariah Haviland
Phone: 718-377-8845
Neighborhood: Borough Park
Council District: 44
2024-25 Metrics
Impact Score54%
Student growthnear median (50%)
Performance Score58%
Absolute outcomesabove median (49%)
Economic Need Index78%
Poverty indicatorbelow median (87%)
Enrollment306
Students
Year-over-Year Change
Impact Score
2023-24
45%
2024-25
54%
Performance Score
2023-24
55%
2024-25
58%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 92%
Teacher Attendance: 96%
Principal Tenure: 6.1 years
Teachers 3+ Years: 92%
Instruction Rating: Good
Safety Rating: Excellent
Families Rating: Excellent
Survey Results (% Positive)
Instruction/Learning: 82%
Safety: 74%
School Leadership: 93%
Student Support: 75%
Communication: 95%
Family Involvement: 91%
Family-School Trust: 98%
Survey results reflect responses from families, teachers, and students. Higher percentages indicate more positive responses.
Budget (Fair Student Funding)
| Year | Total Budget | FSF Allocation | % Funded | Gap to 100% |
|---|---|---|---|---|
| 2024-25 | $11,667,561 | $4,782,218 | 100% | $0 |
| 2023-24 | $10,849,893 | $4,096,703 | 100% | $0 |
| 2022-23 | $10,269,396 | $4,151,881 | 100% | $0 |
PTA Financial Summary
| Year | Beginning Balance | Income | Expenses | Ending Balance |
|---|---|---|---|---|
| 2024-25 | $17,585 | $43,562 | $32,504 | $11,057 |
| 2023-24 | $16,641 | $52,975 | $35,390 | $17,585 |
| 2022-23 | $9,053 | $46,057 | $29,596 | $16,461 |
PTA income primarily reflects parent wealth, not school quality. Some schools have very active PTAs while others raise very little.
Discipline (Suspensions)
| Year | Removals | Principal Susp. | Supt. Susp. | Total |
|---|---|---|---|---|
| 2024-25 | Redacted | Redacted | Redacted | Redacted |
| 2023-24 | N/A | 8 | N/A | 8 |
| 2022-23 | Redacted | Redacted | 0 | 6 |
"Redacted" indicates small counts (1-5) suppressed for privacy. Suspension data reflects systemic patterns as much as individual school decisions. Always consider ENI context.
Similar Schools
Schools with similar Economic Need (±5%) and enrollment (±20%)
Data Limitations
- Only 2 years of Impact Score data available (2023-24, 2024-25)
- Impact Score methodology not fully disclosed by NYC DOE
- Cannot determine causation - only patterns and correlations
- No student mobility data (selection effects cannot be ruled out)
- Many schools change category year-over-year