Brooklyn Excelsior Charter School
Developing on Both MetricsBrooklyn · K-8 · DBN: 84K731 · Charter School
Location
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Address: 856 QUINCY STREET, BROOKLYN, NY 11221
Grades Served: 0K,01,02,03,04,05,06,07,08
Principal: Samantha Deluke
Phone: 718-246-5681
Neighborhood: Stuyvesant Heights
Council District: 41
2024-25 Metrics
Impact Score33%
Student growthbelow median (50%)
Performance Score33%
Absolute outcomesbelow median (49%)
Economic Need Index89%
Poverty indicatornear median (87%)
Enrollment519
Students
Year-over-Year Change
Impact Score
2023-24
39%
2024-25
33%
Performance Score
2023-24
43%
2024-25
33%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 87%
Teacher Attendance: 98%
Principal Tenure: 7 years
Teachers 3+ Years: 68%
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