B−
Lower Merion HS
PublicHighGrades 9–12
315 E Montgomery Ave, Ardmore, PA 19003 · (610) 645-1810 · Part of Lower Merion School District
Students
1,674
Students per teacher
12:1
Setting
Suburb
Grades
9–12
What stands out about Lower Merion HS
- Math proficiency 50 pts above the state
- Reading / language arts 58 pts below the state
- Small classes: 12:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency87%
State average 37.3%
Reading / language arts-3%
State average 55%
Location
Directions ↗
315 E Montgomery Ave, Ardmore
Students
Enrollment by grade
Grade 9367
Grade 10441
Grade 11409
Grade 12457
Enrollment over time
1,568’20
1,628’21
1,712’22
1,757’23
1,674’24
Up 6.8% since 2020.
Who goes here
White 62%Black 13%Asian 11%Two or more races 8%Hispanic 6%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Lower Merion HS.
Other schools in Lower Merion School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.