Serving 963 students in grades 6-8, Middle School 51 William Alexander ranks in the top 30% of all schools in New York for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 53% (which is higher than the New York state average of 46%). The percentage of students achieving proficiency in reading/language arts is 68% (which is higher than the New York state average of 49%).
The student:teacher ratio of 15:1 is higher than the New York state level of 11:1.
Minority enrollment is 75% of the student body (majority Hispanic and Asian), which is higher than the New York state average of 60% (majority Hispanic and Black).
Quick Stats (2025)
- Grades: 6-8
- Enrollment: 963 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 75%
- Overall Testing Rank: Top 30% in NY
- Math Proficiency: 53% (Top 50%)
- Reading Proficiency: 68% (Top 20%)
- Science Proficiency: 84% (Top 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Middle School 51 William Alexander ranks among the top 20% of public schools in New York for:
Category
Attribute
Reading/Language Arts Proficiency
Diversity
School Overview
Middle School 51 William Alexander's student population of 963 students has declined by 15% over five school years.
The teacher population of 65 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
963 students
Gender %
Total Classroom Teachers
65 teachers
School Rankings
Middle School 51 William Alexander ranks within the top 30% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Middle School 51 William Alexander is 0.75, which is more than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1179 out of 4377 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
53%
46%
Reading/Language Arts Test Scores (% Proficient)
68%
49%
Science Test Scores (% Proficient)
84%
78%
Student : Teacher Ratio
15:1
11:1
American Indian
n/a
1%
Asian
27%
10%
Hispanic
34%
30%
Black
8%
16%
White
25%
40%
Hawaiian
1%
n/a
Two or more races
5%
3%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
61%
54%
Eligible for Reduced Lunch
3%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Middle School 51 William Alexander's ranking?
Middle School 51 William Alexander is ranked #1179 out of 4,377 schools, which ranks it among the top 30% of public schools in New York.
What schools are Middle School 51 William Alexander often compared to?
Middle School 51 William Alexanderis often viewed alongside schools like Math And Science Exploratory School, New Voices School Of Academic And Creative Arts by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
53% of students have achieved math proficiency (compared to the 46% NY state average), while 68% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Middle School 51 William Alexander?
963 students attend Middle School 51 William Alexander.
What is the racial composition of the student body?
34% of Middle School 51 William Alexander students are Hispanic, 27% of students are Asian, 25% of students are White, 8% of students are Black, 5% of students are Two or more races, and 1% of students are Hawaiian.
What is the student:teacher ratio of Middle School 51 William Alexander?
Middle School 51 William Alexander has a student ration of 15:1, which is higher than the New York state average of 11:1.
What grades does Middle School 51 William Alexander offer ?
Middle School 51 William Alexander offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Middle School 51 William Alexander part of?
Middle School 51 William Alexander is part of New York City Geographic District #15 School District.
In what neighborhood is Middle School 51 William Alexander located?
Middle School 51 William Alexander is located in the Park Slope neighborhood of Brooklyn, NY. There are 13 other public schools located in Park Slope.
School Reviews
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