Serving 1,038 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 60% (which is higher than the New York state average of 52%). 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 14:1 is higher than the New York state level of 11:1.
Minority enrollment is 74% of the student body (majority Hispanic and Asian), which is higher than the New York state average of 61% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 1,038 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 74%
- Overall Testing Rank: Top 30% in NY
- Math Proficiency: 60% (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 1,038 students has declined by 9% over five school years.
The teacher population of 73 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,038 students
Total Classroom Teachers
73 teachers
Year Founded
2005
School Calendar
School Motto
Education is the passport to the future, for tomorrow belongs to those who prepare for it today
School Rankings
Middle School 51 William Alexander ranks within the top 30% of all 4,346 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 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1137 out of 4346 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
60%
52%
Reading/Language Arts Test Scores (% Proficient)
68%
49%
Science Test Scores (% Proficient)
84%
78%
Student-Teacher Ratio
14:1
11:1
American Indian
n/a
1%
Asian
28%
10%
Hispanic
32%
31%
Black
7%
15%
White
26%
39%
Hawaiian
n/a
n/a
Two or more races
7%
4%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
57%
55%
Eligible for Reduced Lunch
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Middle School 51 William Alexander's ranking?
Middle School 51 William Alexander is ranked #1137 out of 4,346 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 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?
60% of students have achieved math proficiency (compared to the 52% 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?
1,038 students attend Middle School 51 William Alexander.
What is the racial composition of the student body?
32% of Middle School 51 William Alexander students are Hispanic, 28% of students are Asian, 26% of students are White, 7% of students are Black, and 7% of students are Two or more races.
What is the student-teacher ratio of Middle School 51 William Alexander?
Middle School 51 William Alexander has a student ration of 14:1, 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.
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.
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