Top 100 largest schools in Pennsylvania (2025)

Schools with the highest enrollment. Ordered by the measure shown, with the Success Index (US) for context; 100 schools shown.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Reading SHS Reading · High · Grades 9–12	Public	4,879	27.5 Lower 50%	33% Math proficiency	4,879
2	Upper Darby SHS Drexel Hill · High · Grades 9–12	Public	4,187	41.8 Lower 50%	49% Math proficiency	4,187
3	Hazleton Area HS Hazle Township · High · Grades 9–12	Public	4,071	37.3 Lower 50%	42% Math proficiency	4,071
4	Chester Community CS Chester · Elementary · Grades K–8	Charter	3,782	4.3 Lower 50%	6% Math proficiency	3,782
5	Northeast HS Philadelphia · High · Grades 9–12	Public	3,463	29.2 Lower 50%	41% Math proficiency	3,463
6	Parkland HS Allentown · High · Grades 9–12	Public	3,279	79.3 Top 10%	80% Math proficiency	3,279
7	North Penn SHS Lansdale · High · Grades 10–12	Public	3,165	80.0 Top 10%	78% Math proficiency	3,165
8	Cumberland Valley HS Mechanicsburg · High · Grades 9–12	Public	3,163	75.7 Top 25%	68% Math proficiency	3,163
9	William Allen HS Allentown · High · Grades 9–12	Public	3,074	18.9 Lower 50%	25% Math proficiency	3,074
10	Neshaminy HS Langhorne · High · Grades 9–12	Public	2,916	73.7 Top 25%	74% Math proficiency	2,916
11	Pennsbury HS Fairless Hills · High · Grades 9–12	Public	2,847	83.5 Top 5%	75% Math proficiency	2,847
12	Emmaus HS Emmaus · High · Grades 9–12	Public	2,842	77.1 Top 10%	73% Math proficiency	2,842
13	Easton Area HS Easton · High · Grades 9–12	Public	2,778	49.4 Lower 50%	58% Math proficiency	2,778
14	North Allegheny HS Wexford · High · Grades 9–12	Public	2,711	89.2 Top 5%	85% Math proficiency	2,711
15	Abington SHS Abington · High · Grades 9–12	Public	2,692	77.9 Top 10%	81% Math proficiency	2,692
16	Spring-Ford SHS 9-12 Ctr Royersford · High · Grades 9–12	Public	2,629	87.2 Top 5%	87% Math proficiency	2,629
17	McCaskey Campus Lancaster · High · Grades 9–12	Public	2,600	42.8 Lower 50%	46% Math proficiency	2,600
18	Wilkes-Barre Area HS Plains · High · Grades 9–12	Public	2,569	8.5 Lower 50%	96.1% Free/reduced-price lunch	2,569
19	Liberty HS Bethlehem · High · Grades 9–12	Public	2,541	50.2 Top 50%	44% Math proficiency	2,541
20	Erie HS Erie · High · Grades 9–12	Public	2,501	24.2 Lower 50%	25% Math proficiency	2,501
21	Lincoln HS Philadelphia · High · Grades 9–12	Public	2,472	18.2 Lower 50%	19% Math proficiency	2,472
22	State College Area HS State College · High · Grades 8–12	Public	2,402	88.4 Top 5%	80% Math proficiency	2,402
23	Central HS Philadelphia · High · Grades 9–12	Public	2,329	62.2 Top 50%	99.5% Math proficiency	2,329
24	Chambersburg Area SHS Chambersburg · High · Grades 9–12	Public	2,319	58.9 Top 50%	59% Math proficiency	2,319
25	Seneca Valley HS Harmony · High · Grades 9–12	Public	2,282	86.1 Top 5%	80% Math proficiency	2,282
26	Hempfield SHS Landisville · High · Grades 9–12	Public	2,281	74.9 Top 25%	81% Math proficiency	2,281
27	Conestoga SHS Berwyn · High · Grades 9–12	Public	2,264	89.7 Top 5%	92% Math proficiency	2,264
28	Norristown Area HS Norristown · High · Grades 9–12	Public	2,256	44.0 Lower 50%	49% Math proficiency	2,256
29	Altoona Area HS Altoona · High · Grades 6–12	Public	2,255	55.5 Top 50%	69% Math proficiency	2,255
30	Bensalem Twp HS Bensalem · High · Grades 9–12	Public	2,151	46.1 Lower 50%	54% Math proficiency	2,151
31	McDowell HS Erie · High · Grades 9–12	Public	2,133	73.0 Top 25%	78% Math proficiency	2,133
32	Wilson HS West Lawn · High · Grades 9–12	Public	2,133	76.8 Top 25%	79% Math proficiency	2,133
33	Pennridge HS Perkasie · High · Grades 9–12	Public	2,125	74.8 Top 25%	67% Math proficiency	2,125
34	Souderton Area HS Souderton · High · Grades 9–12	Public	2,121	80.3 Top 10%	76% Math proficiency	2,121
35	Boyertown Area SHS Boyertown · High · Grades 9–12	Public	2,052	78.4 Top 10%	83% Math proficiency	2,052
36	Dallastown Area SHS Dallastown · High · Grades 9–12	Public	2,046	75.1 Top 25%	75% Math proficiency	2,046
37	Abington MS Abington · Middle · Grades 6–8	Public	2,044	70.8 Top 25%	48% Math proficiency	2,044
38	Haverford SHS Havertown · High · Grades 9–12	Public	1,994	85.3 Top 5%	92% Math proficiency	1,994
39	Central Dauphin SHS Harrisburg · High · Grades 9–12	Public	1,966	77.3 Top 10%	73% Math proficiency	1,966
40	Butler Area SHS Butler · High · Grades 9–12	Public	1,956	73.5 Top 25%	79% Math proficiency	1,956
41	Manheim Twp HS Lancaster · High · Grades 9–12	Public	1,953	80.0 Top 10%	83% Math proficiency	1,953
42	Council Rock HS South Holland · High · Grades 9–12	Public	1,921	86.7 Top 5%	84% Math proficiency	1,921
43	Louis E Dieruff HS Allentown · High · Grades 9–12	Public	1,914	28.8 Lower 50%	32% Math proficiency	1,914
44	Easton Area MS Easton · Middle · Grades 6–8	Public	1,879	30.4 Lower 50%	19% Math proficiency	1,879
45	Northampton Area HS Northampton · High · Grades 9–12	Public	1,866	72.7 Top 25%	71% Math proficiency	1,866
46	Ridley HS Folsom · High · Grades 9–12	Public	1,825	66.2 Top 25%	62% Math proficiency	1,825
47	Scranton HS Scranton · High · Grades 7–12	Public	1,815	33.6 Lower 50%	42% Math proficiency	1,815
48	Owen J Roberts HS Pottstown · High · Grades 9–12	Public	1,810	84.7 Top 5%	81% Math proficiency	1,810
49	Penn Manor HS Millersville · High · Grades 9–12	Public	1,807	72.0 Top 25%	78% Math proficiency	1,807
50	Downingtown HS West Campus Downingtown · High · Grades 9–12	Public	1,796	88.8 Top 5%	84% Math proficiency	1,796
51	Freedom HS Bethlehem · High · Grades 9–12	Public	1,792	49.4 Lower 50%	43% Math proficiency	1,792
52	Central MS Reading · Middle · Grades 5–8	Public	1,785	10.9 Lower 50%	4% Math proficiency	1,785
53	Northeast Community Propel Academy Philadelphia · Elementary · Grades K–8	Public	1,783	14.0 Lower 50%	98.8% Free/reduced-price lunch	1,783
54	Mt Lebanon SHS Pittsburgh · High · Grades 9–12	Public	1,772	88.4 Top 5%	90% Math proficiency	1,772
55	Mayfair Sch Philadelphia · Elementary · Grades K–8	Public	1,763	27.6 Lower 50%	31% Math proficiency	1,763
56	Central York HS York · High · Grades 9–12	Public	1,756	71.5 Top 25%	67% Math proficiency	1,756
57	Washington George HS Philadelphia · High · Grades 9–12	Public	1,755	24.3 Lower 50%	29% Math proficiency	1,755
58	Avon Grove HS West Grove · High · Grades 9–12	Public	1,744	77.4 Top 10%	80% Math proficiency	1,744
59	Central Bucks HS-South Warrington · High · Grades 10–12	Public	1,719	87.3 Top 5%	87% Math proficiency	1,719
60	William Tennent HS Warminster · High · Grades 9–12	Public	1,710	64.8 Top 50%	57% Math proficiency	1,710
61	Downingtown HS East Campus Exton · High · Grades 9–12	Public	1,708	89.0 Top 5%	87% Math proficiency	1,708
62	William Penn SHS York · High · Grades 9–12	Public	1,681	18.9 Lower 50%	21% Math proficiency	1,681
63	Cedar Crest HS Lebanon · High · Grades 9–12	Public	1,676	73.7 Top 25%	75% Math proficiency	1,676
64	Council Rock HS North Newtown · High · Grades 9–12	Public	1,674	88.4 Top 5%	85% Math proficiency	1,674
65	Lower Merion HS Ardmore · High · Grades 9–12	Public	1,674	91.4 Top 5%	87% Math proficiency	1,674
66	Norwin HS North Huntingdon · High · Grades 9–12	Public	1,671	79.3 Top 10%	74% Math proficiency	1,671
67	Canon-McMillan SHS Canonsburg · High · Grades 9–12	Public	1,660	75.4 Top 25%	67% Math proficiency	1,660
68	Baldwin SHS Pittsburgh · High · Grades 8–12	Public	1,657	68.2 Top 25%	67% Math proficiency	1,657
69	Plymouth-Whitemarsh SHS Plymouth Meeting · High · Grades 9–12	Public	1,637	82.9 Top 10%	86% Math proficiency	1,637
70	Upper Moreland El Sch Hatboro · Elementary · Grades K–5	Public	1,627	61.2 Top 50%	41.7% Free/reduced-price lunch	1,627
71	Truman SHS Levittown · High · Grades 9–12	Public	1,626	41.4 Lower 50%	44% Math proficiency	1,626
72	Frank Anne Sch Philadelphia · Elementary · Grades PK–5	Public	1,622	55.4 Top 50%	61% Math proficiency	1,622
73	Perkiomen Valley HS Collegeville · High · Grades 9–12	Public	1,616	87.4 Top 5%	81% Math proficiency	1,616
74	Nazareth Area HS Nazareth · High · Grades 9–12	Public	1,607	83.0 Top 10%	85% Math proficiency	1,607
75	Altoona Area Jr HS Altoona · Middle · Grades 6–8	Public	1,578	43.0 Lower 50%	34% Math proficiency	1,578
76	Haverford MS Havertown · Middle · Grades 6–8	Public	1,578	85.6 Top 5%	62% Math proficiency	1,578
77	Central Dauphin East SHS Harrisburg · High · Grades 9–12	Public	1,573	38.4 Lower 50%	40% Math proficiency	1,573
78	Quakertown Community HS Quakertown · High · Grades 9–12	Public	1,570	76.2 Top 25%	76% Math proficiency	1,570
79	Carlisle Area HS Carlisle · High · Grades 9–12	Public	1,559	73.5 Top 25%	67% Math proficiency	1,559
80	Dallastown Area Intermediate Sch York · Middle · Grades 4–6	Public	1,519	71.1 Top 25%	52% Math proficiency	1,519
81	Baldi C C A MS Philadelphia · Middle · Grades 6–8	Public	1,510	44.2 Lower 50%	42% Math proficiency	1,510
82	Pocono Mountain West HS Pocono Summit · High · Grades 9–12	Public	1,501	45.3 Lower 50%	55% Math proficiency	1,501
83	Methacton HS Eagleville · High · Grades 9–12	Public	1,499	86.1 Top 5%	83% Math proficiency	1,499
84	Garnet Valley HS Glen Mills · High · Grades 9–12	Public	1,485	89.1 Top 5%	83% Math proficiency	1,485
85	Great Valley HS Malvern · High · Grades 9–12	Public	1,481	86.1 Top 5%	87% Math proficiency	1,481
86	Wissahickon SHS Ambler · High · Grades 9–12	Public	1,480	87.4 Top 5%	86% Math proficiency	1,480
87	Beverly Hills MS Upper Darby · Middle · Grades 6–8	Public	1,475	21.5 Lower 50%	15% Math proficiency	1,475
88	Whitehall HS Whitehall · High · Grades 9–12	Public	1,462	48.6 Lower 50%	56% Math proficiency	1,462
89	Williamsport Area SHS Williamsport · High · Grades 9–12	Public	1,462	69.3 Top 25%	74% Math proficiency	1,462
90	Cheltenham HS Wyncote · High · Grades 9–12	Public	1,450	67.0 Top 25%	59% Math proficiency	1,450
91	Pine-Richland HS Gibsonia · High · Grades 9–12	Public	1,449	89.8 Top 5%	89% Math proficiency	1,449
92	West Chester Henderson HS West Chester · High · Grades 9–12	Public	1,444	87.6 Top 5%	84% Math proficiency	1,444
93	North Hills HS Pittsburgh · High · Grades 9–12	Public	1,443	82.6 Top 10%	79% Math proficiency	1,443
94	Avon Grove Intrmd Sch West Grove · Elementary · Grades 2–5	Public	1,436	78.2 Top 25%	68% Math proficiency	1,436
95	Springfield HS Springfield · High · Grades 9–12	Public	1,434	82.2 Top 10%	82% Math proficiency	1,434
96	Governor Mifflin SHS Shillington · High · Grades 9–12	Public	1,425	52.1 Top 50%	65% Math proficiency	1,425
97	Mechanicsburg Area SHS Mechanicsburg · High · Grades 9–12	Public	1,412	79.0 Top 10%	76% Math proficiency	1,412
98	West Scranton HS Scranton · High · Grades 9–12	Public	1,404	47.8 Lower 50%	47% Math proficiency	1,404
99	Mountain View MS Mechanicsburg · Middle · Grades 6–8	Public	1,403	79.4 Top 25%	58% Math proficiency	1,403
100	Lebanon SHS Lebanon · High · Grades 9–12	Public	1,393	27.3 Lower 50%	29% Math proficiency	1,393

Reading SHS in Reading leads the 2025 list of largest schools in Pennsylvania with Enrollment 4,879. Of the 100 schools shown, 99 are public, 1 are charter.

Use the rankings to build a shortlist, then visit the schools and ask how they support students at your child's level.

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Frequently asked questions

What is the best largest school in Pennsylvania?

Reading SHS in Reading ranks first among largest schools in Pennsylvania with Enrollment 4,879 (Enrollment: 4,879).

How are largest schools in Pennsylvania ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.