High school · Ardmore, PA
Lower Merion High School
- Grades
- 9–12
- Enrollment (2023-24)
- 1,757
- Regular attendance
- 82.3%
- District
- Lower Merion
Regular attendance is the share of students present at least 90% of enrolled days (statewide average 79.6%). Source: Pennsylvania Future Ready PA Index, 2024-25; enrollment and grades from the U.S. Department of Education (NCES).
Academic proficiency
Share of students scoring proficient or advanced on Keystone exams (grade 11), Pennsylvania Future Ready PA Index, 2024-25. Black tick = state average.
More on the Lower Merion School District
See district-wide academics, property taxes by municipality, the family & safety data, and homes for sale on the Lower Merion district hub.
Common questions
What grades does Lower Merion High School serve?
Lower Merion High School is a high school in the Lower Merion School District, located in Ardmore, PA, serving grades 9–12.
How many students attend Lower Merion High School?
About 1,757 students are enrolled at Lower Merion High School (U.S. Department of Education NCES Common Core of Data, 2023-24 school year).
What is the attendance rate at Lower Merion High School?
82.3% of Lower Merion High School students are regularly present, enrolled and attending at least 90% of school days, versus 79.6% statewide (Pennsylvania Future Ready PA Index, 2024-25).
How does Lower Merion High School perform academically?
On Keystone exams (grade 11), 83% of Lower Merion High School students scored proficient or advanced in math, and 94.2% in English/language arts (Pennsylvania Future Ready PA Index, 2024-25). District-wide results are on the Lower Merion School District page.
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School identity, grades, and enrollment: U.S. Department of Education, NCES Common Core of Data. Regular attendance: Pennsylvania Future Ready PA Index (2024-25). Figures describe the school and may lag by a year or more: context for families, not a rating. Academic and safety detail is on the district hub.