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Lower Merion High School

Public Grades 9-12

5^th

SchoolDigger Rank ?

of 681 Pennsylvania High Schools

Better than 99% of Pennsylvania high schools

Summary

Lower Merion High School is a highly-ranked public high school located in Ardmore, Pennsylvania, serving 1,757 students in grades 9-12. As part of the Lower Merion School District, which is ranked 9th out of 606 districts in the state, Lower Merion High School has consistently ranked among the top 50 high schools in Pennsylvania over the past decade, reaching as high as 5th in the state for the 2024-2025 school year.

The school's exceptional academic performance is evident in its students' achievements. In the 2024-2025 school year, 84% of 11th graders were proficient or better in Keystone Exams/Algebra I, 86.3% were proficient or better in Keystone Exams/Biology, and 94.8% were proficient or better in Keystone Exams/Literature, significantly outpacing the state averages. Lower Merion High School also excels in supporting the academic achievement of various student subgroups, ranking among the top schools in the state for female, male, African American, Hispanic, and white students.

While Lower Merion High School is an exceptional performer, the nearby Harriton Senior High School, also part of the Lower Merion School District, is also a top-performing school, ranking 12th in the state for the 2024-2025 school year. This suggests that the district as a whole is providing a high-quality education. In contrast, nearby schools in the Philadelphia City School District, such as Roxborough High School and Overbrook High School, have significantly lower test scores, graduation rates, and overall rankings compared to Lower Merion High School.

1,674

Students ?

11.5

Student/teacher ratio ?

$29,989

Per pupil spending ?

21.9%

Free/discounted lunch ?

315 E Montgomery Ave
Ardmore, PA 19003-3339

(610) 645-1810

District: Lower Merion School District

Feeder schools for Lower Merion High School:

Elementary:	Cynwyd School
	Merion Elementary School
	Penn Wynne School
Middle:	Bala-Cynwyd Middle School

Racial breakdown:

White:

61.5%

African American:

13.2%

Asian:

11.1%

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Compare Lower Merion High School to nearby high schools!

At a glance

▬ Ranking trend: Holding steady — 99th percentile in 2015 → 99th in 2025

Strengths

✓Test scores above the Pennsylvania average (88% vs 52% meeting standards)

✓Ranks in the top 1% of Pennsylvania high schools

✓98% graduate in 4 years — above the Pennsylvania average (89%)

Students meeting standards (2024-2025) ?

This school88%

District avg87%

Pennsylvania avg52%

5^th of 681

Pennsylvania public high schools ?

Top 1%▲ up 1 pts since 2015

See the entire ranking list of Pennsylvania High Schools →

★★★★★

SchoolDigger rating ?

1^st of 2High Schools in the Lower Merion School District

9^th of 606Lower Merion School District among Pennsylvania districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	97.3	5 of 681	99.3%	★★★★★
2024	96.1	9 of 686	98.7%	★★★★★
2023	96.7	6 of 674	99.1%	★★★★★
2022	86.7	50 of 634	92.1%	★★★★★
2021	87.6	33 of 537	93.9%	★★★★★
2019	91.6	10 of 693	98.6%	★★★★★
2018	87.4	30 of 673	95.5%	★★★★★
2017	86.1	36 of 663	94.6%	★★★★★
2016	87.6	21 of 677	96.9%	★★★★★
2015	91.0	10 of 680	98.5%	★★★★★
2014	85.9	46 of 580	92.1%	★★★★★
2013	91.3	10 of 591	98.3%	★★★★★
2012	89.6	18 of 664	97.3%	★★★★★
2011	88.2	27 of 660	95.9%	★★★★★
2010	89.5	22 of 649	96.6%	★★★★★
2009	91.2	15 of 632	97.6%	★★★★★
2008	91.6	15 of 621	97.6%	★★★★★
2007	89.2	18 of 615	97.1%	★★★★★
2006	88.2	23 of 604	96.2%	★★★★★
2005	89.5	17 of 593	97.1%	★★★★★
2004	94.5	9 of 590	98.5%	★★★★★
2003	96.5	6 of 583	99.0%	★★★★★

African American

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	97.4	7 of 276	97.5%	★★★★★
2024	80.3	46 of 284	83.8%	★★★★☆
2023	89.5	23 of 260	91.2%	★★★★★

Asian

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	82.1	14 of 125	88.8%	★★★★☆
2024	78.0	21 of 121	82.6%	★★★★☆
2023	83.3	15 of 112	86.6%	★★★★☆

Disabled

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	100.0	1 of 524	99.8%	★★★★★
2024	99.9	3 of 513	99.4%	★★★★★
2023	100.0	1 of 502	99.8%	★★★★★

English Language Learner

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2024	91.2	5 of 84	94.0%	★★★★★

Female

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	96.9	5 of 657	99.2%	★★★★★
2024	95.0	10 of 665	98.5%	★★★★★

Hispanic

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	97.7	5 of 287	98.3%	★★★★★
2024	90.8	21 of 274	92.3%	★★★★★
2023	97.5	8 of 252	96.8%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	97.6	6 of 651	99.1%	★★★★★
2024	87.9	49 of 664	92.6%	★★★★★
2023	90.1	41 of 652	93.7%	★★★★★

Male

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	97.2	8 of 660	98.8%	★★★★★
2024	96.4	12 of 662	98.2%	★★★★★

Multi-racial

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	96.4	4 of 165	97.6%	★★★★★
2024	89.7	13 of 150	91.3%	★★★★★
2023	97.5	2 of 129	98.4%	★★★★★

White

Year	Avg score	Statewide rank	Pennsylvania percentile	Rating
2025	98.4	3 of 583	99.5%	★★★★★
2024	98.5	6 of 595	99.0%	★★★★★
2023	98.2	4 of 577	99.3%	★★★★★

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Disabled (2025)100th percentile~ school

White (2025)99th percentile~ school

Female (2025)99th percentile~ school

Low Socio Economic Status (2025)99th percentile~ school

Male (2025)99th percentile~ school

Hispanic (2025)98th percentile~ school

Multi-racial (2025)98th percentile~ school

African American (2025)97th percentile~ school

English Language Learner (2024)94th percentile-5 vs school

Asian (2025)89th percentile-10 vs school

By subject vs Pennsylvania (2024-2025) ?

Literature95%+33 vs state

Biology86%+37 vs state

Algebra I84%+40 vs state

★

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Schools Near Lower Merion High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				Keystone Exams Algebra I (2025)	Keystone Exams Biology (2025)	Keystone Exams Literature (2025)	PSSA Math (2025)					PSSA English Language Arts (2025)					Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	Keystone Exams Algebra I 11th Grade	Keystone Exams Biology 11th Grade	Keystone Exams Literature 11th Grade	PSSA Math 5th Grade	PSSA Math 6th Grade	PSSA Math 7th Grade	PSSA Math 8th Grade	PSSA Math All Grades	PSSA English Language Arts 5th Grade	PSSA English Language Arts 6th Grade	PSSA English Language Arts 7th Grade	PSSA English Language Arts 8th Grade	PSSA English Language Arts All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Lower Merion High School	Public	9-12	315 E Montgomery Ave	Ardmore	19003	Montgomery County	Lower Merion School District	No	No	No	No	(610) 645-1810	1,674	145	11.5	21.9%	1,030 (61.5%)	221 (13.2%)	95 (5.7%)	186 (11.1%)	1 (0.1%)	2 (0.1%)	139 (8.3%)	97.3	5^th of 681 public high schools	99.3%		96.1	9^th of 686 public high schools	98.7%	4	84.0	86.3	94.8											$29,989	$200	$29,789
Haverford Senior High School	Public	9-12	200 Mill Rd	Havertown	19083	Delaware County	Haverford Township School District	No	No	No	No	(610) 853-5900	1,994	122	16.3	21.4%	1,566 (78.5%)	122 (6.1%)	69 (3.5%)	118 (5.9%)	2 (0.1%)	5 (0.3%)	112 (5.6%)	93.8	22^nd of 681 public high schools	96.8%		92.4	36^th of 686 public high schools	94.8%	14	72.5	83.7	86.3											$18,695	$141	$18,554
The Science Leadership Academy at Beeber	Public, Magnet	5-12	5925 Malvern Ave	Philadelphia	19131	Philadelphia County	Philadelphia City School District	No	Yes	No	Yes	(215) 400-7270	532	17	31.0	105.1%	54 (10.2%)	403 (75.8%)	19 (3.6%)	22 (4.1%)	1 (0.2%)	0 (0.0%)	33 (6.2%)	38.1	464^th of 681 public high schools	31.9%		52.2	367^th of 686 public high schools	46.5%	97	26.3	38.7	62.1	51.6	56.5	44.9	28.2	44.9	75.1	75.5	66.0	60.9	68.8	$20,027	$7,150	$12,878
Overbrook High School	Public	9-12	5898 Lancaster Ave	Philadelphia	19131	Philadelphia County	Philadelphia City School District	No	No	No	Yes	(215) 400-7300	440	23	19.2	88.9%	4 (0.9%)	398 (90.5%)	22 (5.0%)	2 (0.5%)	0 (0.0%)	0 (0.0%)	14 (3.2%)	2.9	658^th of 681 public high schools	3.4%		5.1	639^th of 686 public high schools	6.9%	19	2.6	8.0	21.2											$20,032	$9,278	$10,753
Harriton Senior High School	Public	9-12	600 N Ithan Ave	Bryn Mawr	19010	Montgomery County	Lower Merion School District	No	No	No	No	(610) 658-3950	1,239	116	10.7	15.6%	811 (65.5%)	105 (8.5%)	84 (6.8%)	158 (12.8%)	0 (0.0%)	1 (0.1%)	80 (6.5%)	96.1	12^th of 681 public high schools	98.2%		96.8	5^th of 686 public high schools	99.3%	7	81.1	81.2	92.2											$34,421	$229	$34,192
Roxborough High School	Public	9-12	6498 Ridge Ave	Philadelphia	19128	Philadelphia County	Philadelphia City School District	No	No	No	Yes	(215) 400-3400	613	50	12.2	102.1%	24 (3.9%)	529 (86.3%)	35 (5.7%)	0 (0.0%)	1 (0.2%)	1 (0.2%)	23 (3.8%)	3.1	655^th of 681 public high schools	3.8%		3.7	656^th of 686 public high schools	4.4%	1	5.3	8.2	19.8											$22,664	$8,297	$14,368
Mastery Charter School - Shoemaker Campus	Public, Charter	7-12	5301 Media Street	Philadelphia	19131	Philadelphia County	Mastery CS-Shoemaker Campus	Yes	No	No	Yes	(267) 296-7111	722	53	13.7	99.6%	1 (0.1%)	644 (89.2%)	16 (2.2%)	2 (0.3%)	37 (5.1%)	1 (0.1%)	21 (2.9%)	11.2	592^nd of 681 public high schools	13.1%		26.8	520^th of 686 public high schools	24.2%	72	20.6	15.2	36.7			12.2	6.9	9.3			15.5	24.8	20.5	$21,735	$6,247	$15,488
Upper Darby Senior High School	Public	9-12	601 North Lansdowne Avenue	Drexel Hill	19026	Delaware County	Upper Darby School District	No	No	No	No	(610) 622-7000	4,187	246	17.0	101.1%	622 (14.9%)	2,129 (50.8%)	694 (16.6%)	585 (14.0%)	6 (0.1%)	3 (0.1%)	148 (3.5%)	15.1	575^th of 681 public high schools	15.6%		22.9	546^th of 686 public high schools	20.4%	29	19.0	31.5	32.4											$14,613	$994	$13,619
KIPP DuBois Charter School	Public, Charter	9-12	5070 Parkside Avenue	Philadelphia	19131	Philadelphia County	KIPP DuBois Charter School	Yes	No	No	Yes	(215) 307-3465	523	34	15.3	99.4%	2 (0.4%)	495 (94.6%)	12 (2.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	14 (2.7%)	12.3	587^th of 681 public high schools	13.8%		9.8	604^th of 686 public high schools	12.0%	17	10.9	16.1	45.2											$25,378	$6,845	$18,533
Lankenau High School	Public, Magnet	9-12	201 Spring Lane	Philadelphia	19128	Philadelphia County	Philadelphia City School District	No	Yes	No	Yes	(215) 400-3420	228	16	13.9	114.0%	6 (2.6%)	199 (87.3%)	11 (4.8%)	1 (0.4%)	1 (0.4%)	1 (0.4%)	9 (3.9%)	18.3	559^th of 681 public high schools	17.9%		33.8	490^th of 686 public high schools	28.6%	69	17.8	30.2	43.8											$21,696	$7,569	$14,127

Frequently Asked Questions about Lower Merion High School

What is the racial makeup of Lower Merion High School?

Students at Lower Merion High School are 62% White, 13% African American, 11% Asian, 8% Two or more races, 6% Hispanic.

How many students attend Lower Merion High School?

In the 2024-25 school year, 1,674 students attended Lower Merion High School.

Is Lower Merion High School a good school?

Yes! Lower Merion High School is one of the best high schools in the state. It ranks 5^th of 681 Pennsylvania high schools.

What district is Lower Merion High School in?

Lower Merion School District

What schools feed into Lower Merion High School?

Lower Merion High School is fed by the following schools:

Elementary : Cynwyd School
Elementary : Merion Elementary School
Elementary : Penn Wynne School
Middle : Bala-Cynwyd Middle School

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Pennsylvania Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.