Black Rock Middle School serves 1,077 students in grades 5-8.
The percentage of students achieving proficiency in math is 75% (which is higher than the Pennsylvania state average of 38%).
The student-teacher ratio of 10:1 is lower than the Pennsylvania state level of 13:1.
Minority enrollment is 38% of the student body (majority Black and Asian), which is lower than the Pennsylvania state average of 40% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 5-8
- Enrollment: 1,077 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 38%
- Math Proficiency: 75% (Top 10% in PA)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Black Rock Middle School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Math Proficiency
Student Attention
School Overview
Black Rock Middle School's student population of 1,077 students has stayed relatively flat over five school years.
The teacher population of 107 teachers has grown by 5% over five school years.
Grades Offered
Grades 5-8
Total Students
1,077 students
Total Classroom Teachers
107 teachers
School Rankings
The diversity score of Black Rock Middle School is 0.58, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
75%
38%
Student-Teacher Ratio
10:1
13:1
American Indian
n/a
n/a
Asian
11%
5%
Hispanic
6%
16%
Black
11%
14%
White
62%
60%
Hawaiian
n/a
n/a
Two or more races
10%
5%
All Ethnic Groups
Eligible for Free Lunch
14%
59%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Frequently Asked Questions
How many students attend Black Rock Middle School?
1,077 students attend Black Rock Middle School.
What is the racial composition of the student body?
62% of Black Rock Middle School students are White, 11% of students are Asian, 11% of students are Black, 10% of students are Two or more races, and 6% of students are Hispanic.
What is the student-teacher ratio of Black Rock Middle School?
Black Rock Middle School has a student ration of 10:1, which is lower than the Pennsylvania state average of 13:1.
What grades does Black Rock Middle School offer ?
Black Rock Middle School offers enrollment in grades 5-8
What school district is Black Rock Middle School part of?
Black Rock Middle School is part of Lower Merion School District.
School Reviews
Review Black Rock Middle School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
