Brooklyn Laboratory Charter School
Lower Economic NeedBrooklyn · Middle · DBN: 84K803 · Charter School
Location
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Address: 77 Sands Street, BROOKLYN, NY 11226
Grades Served: 60708
Principal: Dr. Garland Thomas-Mcdavid
Phone: 347-853-6762
Neighborhood: DUMBO-Vinegar Hill-Downtown Brooklyn-Boerum Hill
Council District: 33
2024-25 Metrics
Impact Score22%
Student growthbelow median (50%)
Performance Score29%
Absolute outcomesbelow median (49%)
Economic Need Index83%
Poverty indicatornear median (87%)
Enrollment601
Students
Year-over-Year Change
Impact Score
2023-24
16%
2024-25
22%
Performance Score
2023-24
26%
2024-25
29%
Note: Year-over-year changes may reflect cohort differences, not actual school improvement.
Additional Metrics
Student Attendance: 73%
Teacher Attendance: 90%
Principal Tenure: 20 years
Teachers 3+ Years: 35%
Instruction Rating: Needs Improvement
Safety Rating: Fair
Survey Results (% Positive)
Instruction/Learning: 76%
Safety: 63%
School Leadership: 83%
Student Support: 67%
Survey results reflect responses from families, teachers, and students. Higher percentages indicate more positive responses.
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