The Kathleen Grimm School for Leadership and Sustainability
Lower Economic NeedStaten Island · Elementary · DBN: 31R0620
Location
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Address: 644 Bloomingdale Road, STATEN ISLAND, NY 10309
Grades Served: PK,0K,01,02,03,04,05
Principal: Lisa Sarnicola
Phone: 718-668-8640
Neighborhood: Charleston-Richmond Valley-Tottenville
Council District: 51
2024-25 Metrics
Impact Score54%
Student growthnear median (50%)
Performance Score69%
Absolute outcomesabove median (49%)
Economic Need Index33%
Poverty indicatorbelow median (87%)
Enrollment437
Students
Year-over-Year Change
Impact Score
2023-24
53%
2024-25
54%
Performance Score
2023-24
68%
2024-25
69%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 93%
Teacher Attendance: 96%
Principal Tenure: 10.2 years
Teachers 3+ Years: 91%
Instruction Rating: Excellent
Safety Rating: Excellent
Families Rating: Good
Survey Results (% Positive)
Instruction/Learning: 91%
Safety: 85%
School Leadership: 95%
Student Support: 94%
Communication: 95%
Family Involvement: 96%
Family-School Trust: 91%
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 | $9,245,487 | $5,823,490 | 100% | $0 |
| 2023-24 | $9,116,108 | $5,300,570 | 100% | $0 |
| 2022-23 | $8,534,827 | $5,085,817 | 100% | $0 |
PTA Financial Summary
| Year | Beginning Balance | Income | Expenses | Ending Balance |
|---|---|---|---|---|
| 2024-25 | $15,771 | $84,418 | $77,580 | $22,609 |
| 2023-24 | $24,444 | $114,121 | $122,794 | $15,771 |
| 2022-23 | $18,656 | $113,261 | $107,746 | $24,171 |
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 |
|---|---|---|---|---|
| 2022-23 | 0 | 0 | 0 | 0 |
"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