Serving 1,757 students in grades 9-12, Lower Merion High School ranks in the top 5% of all schools in Pennsylvania for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 80% (which is higher than the Pennsylvania state average of 36%). The percentage of students achieving proficiency in reading/language arts is 94% (which is higher than the Pennsylvania state average of 55%).
The student:teacher ratio of 12:1 is lower than the Pennsylvania state level of 13:1.
Minority enrollment is 37% of the student body (majority Black and Asian), which is lower than the Pennsylvania state average of 39% (majority Hispanic and Black).
Quick Stats (2025)
Grades: 9-12
Enrollment: 1,757 students
Student:Teacher Ratio: 12:1
Minority Enrollment: 37%
Graduation Rate
: 96% (Top 10% in PA)
Overall Testing Rank
: Top 5%
Math Proficiency
: 80% (Top 10%)
Reading Proficiency
: 94% (Top 1%)
Science Proficiency
: ≥50% (Btm 50%)
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Lower Merion High School ranks within the top 5% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Lower Merion High School is 0.57, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Lower Merion High School is ranked #42 out of 2,733 schools, which ranks it among the top 5% of public schools in Pennsylvania.
What schools are Lower Merion High School often compared to?
Lower Merion High Schoolis often viewed alongside schools like Harriton Sr. High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
80% of students have achieved math proficiency (compared to the 36% PA state average), while 94% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Lower Merion High School?
The graduation rate of Lower Merion High School is 96%, which is higher than the Pennsylvania state average of 87%.
How many students attend Lower Merion High School?
1,757 students attend Lower Merion High School.
What is the racial composition of the student body?
63% of Lower Merion High School students are White, 13% of students are Black, 10% of students are Asian, 8% of students are Two or more races, and 6% of students are Hispanic.
What is the student:teacher ratio of Lower Merion High School?
Lower Merion High School has a student ration of 12:1, which is lower than the Pennsylvania state average of 13:1.
What grades does Lower Merion High School offer ?
Lower Merion High School offers enrollment in grades 9-12
What school district is Lower Merion High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 1,757 students
Student:Teacher Ratio: 12:1
Minority Enrollment: 37%
Graduation Rate
: 96% (Top 10%)
Overall Testing Rank
: Top 5%
Math Proficiency
: 80% (Top 10%)
Reading Proficiency
: 94% (Top 1%)
Science Proficiency
: ≥50% (Btm 50%)
Source: National Center for Education Statistics (NCES), PA Dept. of Education
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