Excellent
#9 of 2,846 schools in PA
Top 1% in state
Lower Merion HS
High School · Lower Merion SD
315 E Montgomery Ave, Ardmore, PA 19003
Enrollment
1,757
Student-Teacher
12:1
Score
9.6
Grades
9th – 12th
Enrollment
1,757
Student-Teacher
12:1
Score
9.6
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Pennsylvania schools
#9 of 2,846
In Ardmore
#1 of 2
public schools
In district
#5 of 11
Lower Merion SD
School environment
9.9 / 10
Excellent
Shortlisting around Lower Merion HS?
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Lower Merion HS
High School in Ardmore · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Main Line Reform Temple School for Early Childhood
0.4 mi away. Use as a geographic alternative in the same move search.
Regina Angelorum Academy
0.5 mi away. Use as a geographic alternative in the same move search.
About Lower Merion HS
Lower Merion HS is a public high school in Ardmore, PA, part of Lower Merion SD. Lower Merion HS serves approximately 1,757 students, and covers grades 9th-12th, and has a 12:1 student-teacher ratio. Lower Merion HS has a current MySchoolScout rating of 9.6 out of 10 and ranks #9 of 2,846 schools in PA.
Structured state assessment records for Lower Merion HS show 86% math proficiency (multi-year average, 2009-2024) and 92% reading/ELA proficiency (multi-year average, 2009-2024).
What's said publicly about Lower Merion HS
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
- This school 9.6 · Excellent
- District avg 9.7
- PA avg 6.6
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Lower Merion HS — Students at Lower Merion HS score 85% proficient, which is above what's typical for similar communities (expected: 65%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
20.9%
Students qualifying for federal meal assistance
Test Scores PA PSSA (2023-24)
Based on 26 test records from PA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.6/10.
How Lower Merion HS Compares
See how Lower Merion HS performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
315 E Montgomery Ave, Ardmore, PA 19003
Nearby Alternatives
Families considering Lower Merion HS may also want to explore other high schools in the area. Penn Valley Sch (rated 9.6/10, 1.1 miles away, in nearby Narberth), with a very similar rating. Another option is Merion El Sch (rated 9.6/10, 1.4 miles away, in nearby Merion Station), with a very similar rating. Additionally, Penn Wynne Sch (rated 9.4/10, 1.6 miles away, in nearby Wynnewood), with a very similar rating. For more schools in Ardmore, see our Ardmore schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| MAIN LINE REFORM TEMPLE SCHOOL FOR EARLY CHILDHOOD Wynnewood | 0.4 mi | — |
| REGINA ANGELORUM ACADEMY Ardmore | 0.5 mi | 7.4 |
| FUSION ACADEMY - ARDMORE Ardmore | 0.5 mi | 7.9 |
| ANCONA MONTESSORI SCHOOL Wynnewood | 0.7 mi | — |
| THE GATEWAY SCHOOL Wynnewood | 0.8 mi | — |
| CASKEY TORAH ACADEMY OF GREATER PHILADELPHIA Wynnewood | 0.8 mi | 7.5 |
| TEMPLE BETH HILLEL-BETH EL EARLY CHILDHOOD CENTER Wynnewood | 1.2 mi | — |
| Penn Valley Sch Narberth | 1.1 mi | 9.6 |
| ST MARGARET SCHOOL Narberth | 1.0 mi | 6.7 |
| ST KATHERINE SCHOOL Wynnewood | 1.4 mi | 8.7 |
| Penn Wynne Sch Wynnewood | 1.6 mi | 9.4 |
| Gladwyne Sch Gladwyne | 1.6 mi | 9.3 |
| Chestnutwold El Sch Ardmore | 1.4 mi | 8.5 |
| Merion El Sch Merion Station | 1.4 mi | 9.6 |
| PHEBE ANNA THORNE KINDERGARTEN Haverford | 1.3 mi | — |
| THE GLADWYNE MONTESSORI SCHOOL Gladwyne | 1.8 mi | 6.8 |
| GAN CHABAD OF THE MAIN LINE Merion Station | 1.4 mi | — |
| FRIENDS SCHOOL HAVERFORD Haverford | 1.6 mi | 6.9 |
| PERELMAN JEWISH DAY SCHOOL-STERN CENTER Wynnewood | 2.0 mi | 4.1 |
| ROBERT J WILF PRESCHOOL AND KINDERGARTEN Wynnewood | 2.0 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 19003 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$116,142
Median Home Value
$441,400
Median Rent
$1,602/mo
Population
14,411
College Educated
70.2%
Homeownership
63.8%
Avg Commute
26.4 min
Poverty Rate
6%
Median Age
36.7
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Fox Chapel Area HS Pittsburgh, PA | 9.6 |
| Radnor SHS Radnor, PA | 9.6 |
| Upper Saint Clair HS Pittsburgh, PA | 9.6 |
| Garnet Valley HS Glen Mills, PA | 9.4 |
| Harriton SHS Rosemont, PA | 9.8 |
| Plymouth-Whitemarsh SHS Plymouth Meeting, PA | 9.3 |
Frequently Asked Questions
Common questions about Lower Merion HS
What grades does Lower Merion HS serve?
Lower Merion HS serves students in grades 9th through 12th.
How many students attend Lower Merion HS?
Lower Merion HS has an enrollment of approximately 1,757 students.
What is the student-teacher ratio at Lower Merion HS?
The student-teacher ratio at Lower Merion HS is 12:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lower Merion HS rank in PA?
Lower Merion HS ranks #9 of 2,846 schools in PA.
What is Lower Merion HS's MySchoolScout rating?
Lower Merion HS has a current MySchoolScout rating of 9.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Lower Merion HS?
Based on loaded state assessment records, Lower Merion HS has 86% math proficiency (multi-year average, 2009-2024) and 92% reading/ELA proficiency (multi-year average, 2009-2024).
Is Lower Merion HS a charter school?
No, Lower Merion HS is not a charter school. It is a traditional public school operated by the local school district.
Is Lower Merion HS a Title I school?
No, Lower Merion HS is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lower Merion HS?
20.9% of students at Lower Merion HS qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,757
- Student-Teacher Ratio
- 12:1
- Teachers (FTE)
- 147
- Free/Reduced Lunch
- 20.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Montgomery County
- Chronic Absenteeism (SY 2022-23)
- 16.3%
- Phone
- (610) 645-1810
- 4-Year Graduation
- 96.0%
Resources & Links
District
Lower Merion SD- District Enrollment
- 8,518
- Schools in District
- 11
- Per-Pupil Spending
- $31,428
- District Rank
- #5 of 11
Other Schools in This District
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