P.S. 109
Developing on Both MetricsBrooklyn · K-8 · DBN: 22K1090
Location
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Address: 1001 EAST 45 STREET, BROOKLYN, NY 11203
Grades Served: 0K,01,02,03,04,05,06,07,08
Principal: Kerdy Bertrand
Phone: 718-693-3426
Neighborhood: East Flatbush-Farragut
Council District: 45
2024-25 Metrics
Impact Score52%
Student growthnear median (50%)
Performance Score44%
Absolute outcomesnear median (49%)
Economic Need Index87%
Poverty indicatornear median (87%)
Enrollment561
Students
Year-over-Year Change
Impact Score
2023-24
53%
2024-25
52%
Performance Score
2023-24
41%
2024-25
44%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 89%
Teacher Attendance: 95%
Principal Tenure: 9 years
Teachers 3+ Years: 78%
Instruction Rating: Good
Safety Rating: Fair
Families Rating: Good
Survey Results (% Positive)
Instruction/Learning: 79%
Safety: 62%
School Leadership: 82%
Student Support: 72%
Communication: 93%
Family Involvement: 93%
Family-School Trust: 96%
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 | $15,351,713 | $8,375,027 | 100% | $0 |
| 2023-24 | $13,271,340 | $7,192,422 | 100% | $0 |
| 2022-23 | $12,697,746 | $6,242,769 | 100% | $0 |
PTA Financial Summary
| Year | Beginning Balance | Income | Expenses | Ending Balance |
|---|---|---|---|---|
| 2024-25 | $56 | $8,365 | $8,308 | $57 |
| 2023-24 | $425 | $16,201 | $16,642 | $560 |
| 2022-23 | $1,587 | $20,660 | $20,234 | $426 |
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 | 93 | 28 | Redacted | Redacted |
| 2023-24 | 59 | 46 | 14 | 119 |
| 2022-23 | 110 | Redacted | Redacted | 158 |
"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%)
Success Academy Charter School - Bronx 4
Bronx
Impact: 98%ENI: 86%
The Queens School for Leadership and Excellence
Queens
Impact: 48%ENI: 86%
P.S. 192 - The Magnet School for Math and Science Inquiry
Brooklyn
Impact: 45%ENI: 90%
Joseph F. Quinn Intermediate School 77
Queens
Impact: 40%ENI: 85%
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