MS 51 William Alexander
🇺🇸 Official data · 2025Brooklyn, New York 11215 · New York City Geographic District #15
#141 of 785 middle schools in New York
#1897 of 15,369 nationally
About MS 51 William Alexander
MS 51 William Alexander is a public middle located in Brooklyn, in the New York City Geographic District #15 school district of New York, United States. It caters for Grades 6–8. In 2025 it enrolled 1,038 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 77.6 out of 100, placing it in the top 25% of middle schools in United States and 141st of 785 ranked middle schools in New York. Its strongest component is reading proficiency (98th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (43th percentile).
Other published figures: enrollment 1,038.
There are 545 schools in Brooklyn; MS 51 William Alexander ranks 27th of 525 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)83%
- Reading proficiency (30%)85%
- Community advantage (fewer free/reduced-price lunch) (25%)60.2%
- Students per teacher (15%)14.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for MS 51 William Alexander by the official sources.
- Enrollment
- 1,038
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 60.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 85%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 83%
- Share of tested students proficient or above (all students, all grades).
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Schools near MS 51 William Alexander
Closest schools by straight-line distance, with their Success Index (US).
Maurice Sendak Community School (The)
Brooklyn · Public elementary · Grades K–5
202 students · 293 m away
Ps 39 Henry Bristow
Brooklyn · Public elementary · Grades K–5
365 students · 412 m away
Ps 321 William Penn
Brooklyn · Public elementary · Grades PK–5
1,305 students · 534 m away
John Jay School for Law
Brooklyn · Public high · Grades 9–12
450 students · 553 m away
Park Slope Collegiate
Brooklyn · Public high · Grades 6–12
512 students · 553 m away
Cyberarts Studio Academy
Brooklyn · Public high · Grades 9–12
264 students · 553 m away
Millennium Brooklyn High School
Brooklyn · Public high · Grades 9–12
682 students · 553 m away
Ps 124 Silas B Dutcher
Brooklyn · Public elementary · Grades PK–5
293 students · 725 m away
Ps 282 Park Slope
Brooklyn · Public elementary · Grades PK–5
569 students · 760 m away
Ps 133 William A Butler
Brooklyn · Public elementary · Grades PK–5
611 students · 939 m away
Similar schools
Public middle schools in New York with a comparable Enrollment.
Garden City Middle School
Garden City · Public middle · Grades 6–8
1,034 students
Anne M Dorner Middle School
Ossining · Public middle · Grades 6–8
1,032 students
Is 318 Eugenio Maria de Hostos
Brooklyn · Public middle · Grades 6–8
1,028 students
North Middle School
Brentwood · Public middle · Grades 6–8
1,051 students
Jhs 104 Simon Baruch
New York · Public middle · Grades 6–8
1,023 students
Is 25 Adrien Block
Flushing · Public middle · Grades 6–8
1,023 students
Frequently asked questions
Is MS 51 William Alexander a good school?
MS 51 William Alexander has a Success Index (US) of 77.6 out of 100 (Top 25% of middle schools in United States) and ranks #141 of 785 in New York. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does MS 51 William Alexander rank in New York?
MS 51 William Alexander ranks #141 of 785 middle schools in New York and #1897 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend MS 51 William Alexander?
MS 51 William Alexander had 1,038 students in 2025.
Is MS 51 William Alexander a elementary school or a high school?
MS 51 William Alexander is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near MS 51 William Alexander?
There are 10 schools within 15 km of MS 51 William Alexander; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.