Success Academy Charter School - Flatbush
- 15 Snyder Avenue, Brooklyn
- Grades K-5
- Susanna Sierra, Principal
About
Success Academy Charter School - Flatbush serves students in grades K-5. The school's academic outcomes for elementary students are strong, with 83 percent demonstrating proficiency in ELA, which is well above the citywide 75th percentile. Math proficiency is also high, with 92 percent of students demonstrating proficiency, well above the citywide 75th percentile. The school has an enrollment of 585 students, which is near the citywide 75th percentile for all schools. The Economic Need Index is 84 percent, near the citywide median. The percentage of English Language Learners is 8 percent, near the citywide 25th percentile. And 23 percent of students have an Individualized Education Program, which is at the citywide median. The school reports a 0 percent suspension rate. Parent and student survey results are not available for this school.
Sources (4)
Academics
State test proficiency rates and acceleration.
ELA proficiency
83%
Math proficiency
92%
Proficiency rates are from the Grade 3–8 NYS state test (school-level).
Attendance rate
—
Avg class size (general ed)
—
Avg class size (ICT)
—
Community & climate
Demographics, attendance, school survey results, and DOE quality ratings.
Quality signals
NYC School Survey, 2025-26
Overall positive % is averaged across every Pos/Neg survey question per respondent group (school year 2025-2026). Survey topics are the DOE’s framework measures (each the average favorable response across its questions; expand a topic to see them and the citywide average); the dimension scores themselves are no longer in the public data file.[3]
Operational health
Attendance
—
Chronic absenteeism
—
Suspension rate
0%
Student body
Race / ethnicity[4]
- Asian 2%
- Black 80%
- Hispanic 9%
- White 3%
- Multiracial 6%
School-level totals; may not sum to 100% due to rounding and small subgroup suppression.
Gender[4]
- Female 55%
- Male 44%
Female / male shares as published by the DOE; other gender identities aren’t reported in the source data.
Enrollment
585
Economic Need Index
84%
Free / reduced lunch
82%
English learners
8%
Students with IEPs
23%
Financials
[8]What this school has to spend, and what it spends it on. Spending is not a measure of quality. Schools serving more students with higher needs receive more money.
Charter schools manage their own budgets rather than receiving a school allocation from the DOE, so the staffing and supplies breakdown the DOE publishes for district schools is not published for this school.
Spending
Total spend
$10.0MStudents: 598
26th percentile citywide
Total spend per student
$16,769
1st percentile citywide · city median $33,357
Location & commute
Where the school is and how to get there.