Harlem Prep Charter School
Developing on Both MetricsManhattan · K-8 · DBN: 84M708 · Charter School
Location
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Address: 240 EAST 123 STREET, MANHATTAN, NY 10035
Grades Served: 0K,01,02,03,04,05,06,07,08,09,10,11,12
Principal: Andre Geddes/Bryan Stroud
Phone: 212-876-9953
Neighborhood: East Harlem North
Council District: 8
2024-25 Metrics
Impact Score40%
Student growthbelow median (50%)
Performance Score40%
Absolute outcomesbelow median (49%)
Economic Need Index93%
Poverty indicatorabove median (87%)
Enrollment408
Students
Year-over-Year Change
Impact Score
2023-24
42%
2024-25
40%
Performance Score
2023-24
44%
2024-25
40%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 71%
Teacher Attendance: 95%
Principal Tenure: 6 years
Teachers 3+ Years: 44%
Instruction Rating: Fair
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