Average
#1855 of 4,742 schools in NY
Top 39% in state
MS 51 William Alexander
Middle School · NEW YORK CITY GEOGRAPHIC DISTRICT #15
350 5TH AVE, Brooklyn, NY 11215
Enrollment
963
Student-Teacher
14.8:1
Score
6.8
Grades
6th – 8th
Enrollment
963
Student-Teacher
14.8:1
Score
6.8
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
New York schools
#1,855 of 4,742
In Brooklyn
#229 of 570
public schools
In district
#33 of 49
NEW YORK CITY GEOGRAPHIC DISTRICT #15
Equity
8.2 / 10
Excellent
Shortlisting around MS 51 William Alexander?
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MS 51 William Alexander
Middle School in Brooklyn · grades 6th – 8th. Start here, then compare fit against nearby and district options.
Maurice Sendak Community School (the)
0.2 mi away. Use as a geographic alternative in the same move search.
PS 39 Henry Bristow
0.3 mi away. Use as a geographic alternative in the same move search.
About MS 51 William Alexander
MS 51 William Alexander is a public middle school in Brooklyn, NY, part of NEW YORK CITY GEOGRAPHIC DISTRICT #15. MS 51 William Alexander serves approximately 963 students, and covers grades 6th-8th, and has a 14.8:1 student-teacher ratio. MS 51 William Alexander has a current MySchoolScout rating of 6.8 out of 10 and ranks #1,855 of 4,742 schools in NY.
Structured state assessment records for MS 51 William Alexander show 77% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 6.8 · Average
- District avg 7.2
- NY avg 6.1
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
MS 51 William Alexander — Students at MS 51 William Alexander score 60% proficient, which is above what's typical for similar communities (expected: 47%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
64.2%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2021-22)
Based on 33 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.4/10.
How MS 51 William Alexander Compares
See how MS 51 William Alexander performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
350 5TH AVE, Brooklyn, NY 11215
Nearby Alternatives
Families considering MS 51 William Alexander may also want to explore other middle schools in the area. PS 39 HENRY BRISTOW (rated 9.0/10, 0.3 miles away), which scores notably higher. Another option is PS 32 SAMUEL MILLS SPROLE (rated 8.4/10, 0.7 miles away), which scores notably higher. Additionally, PS 133 WILLIAM A BUTLER (rated 8.2/10, 0.6 miles away), which scores notably higher. For more schools in Brooklyn, see our Brooklyn schools guide .
Nearby Schools
20 within 0.8 mi| School | Distance | Rating |
|---|---|---|
| MAURICE SENDAK COMMUNITY SCHOOL (THE) Brooklyn | 0.2 mi | 7.3 |
| PS 39 HENRY BRISTOW Brooklyn | 0.3 mi | 9.0 |
| AL-MADINAH SCHOOL Brooklyn | 0.2 mi | 6.0 |
| PS 372 CHILDREN'S SCHOOL (THE) Brooklyn | 0.3 mi | 7.5 |
| JOHN JAY SCHOOL FOR LAW Brooklyn | 0.3 mi | 7.9 |
| PARK SLOPE COLLEGIATE Brooklyn | 0.3 mi | 6.0 |
| CYBERARTS STUDIO ACADEMY Brooklyn | 0.3 mi | 7.4 |
| MILLENNIUM BROOKLYN HIGH SCHOOL Brooklyn | 0.3 mi | 8.0 |
| PS 321 WILLIAM PENN Brooklyn | 0.3 mi | 7.6 |
| PS 124 SILAS B DUTCHER Brooklyn | 0.5 mi | 6.8 |
| PS 282 PARK SLOPE Brooklyn | 0.5 mi | 7.2 |
| PS 133 WILLIAM A BUTLER Brooklyn | 0.6 mi | 8.2 |
| ST SAVIOUR HIGH SCHOOL Brooklyn | 0.5 mi | 7.3 |
| PS 107 JOHN W KIMBALL Brooklyn | 0.7 mi | 8.2 |
| MS 266 PARK PLACE COMMUNITY MIDDLE SCHOOL Brooklyn | 0.6 mi | 5.4 |
| PS 77 Brooklyn | 0.6 mi | 4.4 |
| PS 32 SAMUEL MILLS SPROLE Brooklyn | 0.7 mi | 8.4 |
| MAGNET SCHOOL OF MATH SCIENCE & DESIGN TECHNOLOGY Brooklyn | 0.8 mi | 8.0 |
| HELLENIC CLASSICAL CHARTER SCHOOL Brooklyn | 0.8 mi | 7.4 |
| PS 295 Brooklyn | 0.8 mi | 6.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11215 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$180,773
Median Home Value
$1,674,700
Median Rent
$2,803/mo
Population
70,922
College Educated
80.2%
Homeownership
40.9%
Avg Commute
38.5 min
Poverty Rate
6%
Median Age
37.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CASEY MIDDLE SCHOOL East Amherst, NY | 6.8 |
| JOHANNA PERRIN MIDDLE SCHOOL Fairport, NY | 6.8 |
| RICHARD H O'ROURKE MIDDLE SCHOOL Burnt Hills, NY | 6.8 |
| SCHOOL 9M-OCEANSIDE MIDDLE SCHOOL Oceanside, NY | 6.8 |
| WANTAGH MIDDLE SCHOOL Wantagh, NY | 6.8 |
| WARWICK VALLEY MIDDLE SCHOOL Warwick, NY | 6.8 |
Frequently Asked Questions
Common questions about MS 51 William Alexander
What grades does MS 51 William Alexander serve?
MS 51 William Alexander serves students in grades 6th through 8th.
How many students attend MS 51 William Alexander?
MS 51 William Alexander has an enrollment of approximately 963 students.
What is the student-teacher ratio at MS 51 William Alexander?
The student-teacher ratio at MS 51 William Alexander is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does MS 51 William Alexander rank in NY?
MS 51 William Alexander ranks #1,855 of 4,742 schools in NY.
What is MS 51 William Alexander's MySchoolScout rating?
MS 51 William Alexander has a current MySchoolScout rating of 6.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at MS 51 William Alexander?
Based on loaded state assessment records, MS 51 William Alexander has 77% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
Is MS 51 William Alexander a charter school?
No, MS 51 William Alexander is not a charter school. It is a traditional public school operated by the local school district.
Is MS 51 William Alexander a Title I school?
No, MS 51 William Alexander is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for MS 51 William Alexander?
64.2% of students at MS 51 William Alexander qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 963
- Student-Teacher Ratio
- 14.8:1
- Teachers (FTE)
- 65
- Free/Reduced Lunch
- 64.2%
- Type
- regular
- Setting
- Large City
- County
- Kings County
- Chronic Absenteeism (SY 2022-23)
- 23.3%
- Phone
- (718) 369-7603
Resources & Links
District
NEW YORK CITY GEOGRAPHIC DISTRICT #15- District Enrollment
- 26,808
- Schools in District
- 49
- District Rank
- #33 of 49
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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