Excellent
#9 of 2,846 schools in PA
Top 1% in state
Lower Merion HS
High School · Lower Merion Sd · Ardmore, PA
A Lower Merion Sd high school where students score 20 points above what's typical for similar communities.
315 E Montgomery Ave, Ardmore, PA 19003
- Math 80% vs PA 42% (2024)
- Reading 90% vs PA 64% (2024)
- 96.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Lower Merion HS score 85% proficient, which is above what's typical for similar communities (expected: 65%).
2024 PSSA proficiency
Most recent published year. School vs. PA average.
Trend
↓ DecliningProficiency has fallen 6 points since 2019, to 85% in 2024, across a 16-year record (2009–2024).
Show all 14 years
Multi-year averages used by the rating model: math 86% (multi-year average, 2009-2024) · reading/ELA 92% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 26 test records from PA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
20.9%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Lower Merion HS sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Philadelphia map →
Getting around & local context
- Walk 70Very Walkable
- Bike 45Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$116,142
Median home value
$441,400
Median rent
$1,602/mo
College educated
70.2%
Homeownership
63.8%
Poverty rate
6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 19003; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Fusion Academy - ArdmorePrivate · tuition | 7.9 | 6–12 | 0.5 mi | 59 | Compare → |
| St Katherine SchoolPrivate · tuition | 8.7 | K–10 | 1.4 mi | 69 | Compare → |
| Friends Central SchoolPrivate · tuition | 7.7 | PK–12 | 2.0 mi | 738 | Compare → |
| The Mesivta High School of Greater PhilaPrivate · tuition | 7.0 | 9–12 | 2.0 mi | 53 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Lower Merion Sd
- Schools in district
- 11
- Rank in district
- #5 of 11
- District spending per student
- $31,428NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 3.3%Census SAIPE · 2024
Lower Merion HS is listed in Lower Merion SD; a district label does not verify attendance for an address.
About Lower Merion HS
Lower Merion HS is a public high school in Ardmore, PA, part of Lower Merion Sd, serving approximately 1,757 students in grades 9th-12th with a 12:1 student-teacher ratio. It holds a MySchoolScout rating of 9.6 out of 10 and ranks #9 of 2,846 schools in PA. State assessment records 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)
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,757
- Student-Teacher Ratio
- 12:1
- Teachers (FTE)
- 147
- Type
- regular
- Setting
- Large Suburb
- County
- Montgomery County
- Chronic Absenteeism (SY 2022-23)
- 16.3%
- Phone
- (610) 645-1810
- 4-Year Graduation
- 96.0%
- Area population (ZIP 19003)
- 14,411
- Area average commute
- 26.4 min
- Area median age
- 36.7
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 PSSA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 PSSA. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 PSSA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 PSSA. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 19003; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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