Largest Schools in Pittsburgh (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 100 schools in Pittsburgh, Pennsylvania. Rank positions shown on each profile are within United States and Pennsylvania.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Mt Lebanon SHS Pittsburgh · High · Grades 9–12	Public	1,772	88.4 Top 5%	90% Math proficiency	1,772
2	Baldwin SHS Pittsburgh · High · Grades 8–12	Public	1,657	68.2 Top 25%	67% Math proficiency	1,657
3	North Hills HS Pittsburgh · High · Grades 9–12	Public	1,443	82.6 Top 10%	79% Math proficiency	1,443
4	Pittsburgh Allderdice HS Pittsburgh · High · Grades 9–12	Public	1,386	54.8 Top 50%	63% Math proficiency	1,386
5	Fox Chapel Area HS Pittsburgh · High · Grades 9–12	Public	1,360	86.9 Top 5%	89% Math proficiency	1,360
6	Upper Saint Clair HS Pittsburgh · High · Grades 9–12	Public	1,269	91.2 Top 5%	89% Math proficiency	1,269
7	Penn Hills El Sch Pittsburgh · Elementary · Grades K–5	Public	1,228	30.8 Lower 50%	35% Math proficiency	1,228
8	Shaler Area HS Pittsburgh · High · Grades 9–12	Public	1,160	79.9 Top 10%	67% Math proficiency	1,160
9	North Hills MS Pittsburgh · Middle · Grades 6–8	Public	1,127	77.9 Top 25%	53% Math proficiency	1,127
10	R.A. Lutz El Sch Pittsburgh · Elementary · Grades 3–5	Public	1,060	11.9 Lower 50%	–	1,060
11	Penn Hills SHS Pittsburgh · High · Grades 9–12	Public	1,049	24.5 Lower 50%	29% Math proficiency	1,049
12	Woodland Hills HS Pittsburgh · High · Grades 9–12	Public	1,006	28.3 Lower 50%	20% Math proficiency	1,006
13	Dorseyville MS Pittsburgh · Middle · Grades 6–8	Public	981	87.2 Top 5%	66% Math proficiency	981
14	Pittsburgh Brashear HS Pittsburgh · High · Grades 9–12	Public	897	30.4 Lower 50%	30% Math proficiency	897
15	McKnight El Sch Pittsburgh · Elementary · Grades K–5	Public	875	84.6 Top 10%	73% Math proficiency	875
16	Pittsburgh CAPA 6-12 Pittsburgh · High · Grades 6–12	Public	840	58.3 Top 50%	63% Math proficiency	840
17	Pleasant Hills MS Pittsburgh · Middle · Grades 6–8	Public	813	76.2 Top 25%	55% Math proficiency	813
18	Chartiers Valley Intrmd School Pittsburgh · Elementary · Grades 3–5	Public	801	73.7 Top 25%	65% Math proficiency	801
19	Pittsburgh Colfax K-8 Pittsburgh · Elementary · Grades K–8	Public	789	56.2 Top 50%	62% Math proficiency	789
20	OHara El Sch Pittsburgh · Elementary · Grades K–5	Public	726	92.4 Top 5%	86% Math proficiency	726
21	J.E. Harrison MS Pittsburgh · Middle · Grades 6–7	Public	716	50.2 Top 50%	40% Math proficiency	716
22	Pittsburgh Obama 6-12 Pittsburgh · High · Grades 6–12	Public	678	33.1 Lower 50%	29% Math proficiency	678
23	Whitehall El Sch Pittsburgh · Elementary · Grades 1–2	Public	669	63.0 Top 50%	64% Math proficiency	669
24	Mellon MS Pittsburgh · Middle · Grades 6–8	Public	661	90.8 Top 5%	69% Math proficiency	661
25	Carson MS Pittsburgh · Middle · Grades 6–8	Public	652	85.6 Top 5%	53% Math proficiency	652
26	Fort Couch MS Pittsburgh · Middle · Grades 7–8	Public	647	90.1 Top 5%	71% Math proficiency	647
27	Linton MS Pittsburgh · Middle · Grades 6–8	Public	626	17.9 Lower 50%	9% Math proficiency	626
28	Boyce MS Pittsburgh · Middle · Grades 5–6	Public	624	93.2 Top 5%	80% Math proficiency	624
29	Jefferson MS Pittsburgh · Middle · Grades 6–8	Public	621	93.1 Top 5%	75% Math proficiency	621
30	Pittsburgh Science and Technology Academy 6-12 Pittsburgh · High · Grades 6–12	Public	618	57.6 Top 50%	58% Math proficiency	618
31	McIntyre El Sch Pittsburgh · Elementary · Grades K–5	Public	594	85.9 Top 5%	73% Math proficiency	594
32	City CHS Pittsburgh · High · Grades 9–12	Charter	594	50.7 Top 50%	42% Math proficiency	594
33	Avonworth HS Pittsburgh · High · Grades 9–12	Public	579	87.0 Top 5%	67% Math proficiency	579
34	Pittsburgh Westinghouse Pittsburgh · High · Grades 6–12	Public	573	16.8 Lower 50%	9% Math proficiency	573
35	Pittsburgh Allegheny K-5 Pittsburgh · Elementary · Grades PK–5	Public	572	46.4 Lower 50%	50% Math proficiency	572
36	Plum MS Pittsburgh · Middle · Grades 7–8	Public	550	68.2 Top 25%	45% Math proficiency	550
37	Pittsburgh Carmalt K-8 Pittsburgh · Elementary · Grades PK–8	Public	547	34.0 Lower 50%	32% Math proficiency	547
38	Keystone Oaks HS Pittsburgh · High · Grades 9–12	Public	539	72.1 Top 25%	82% Math proficiency	539
39	Penn Hills CS of Entrepreneurship Pittsburgh · Elementary · Grades K–8	Charter	527	43.1 Lower 50%	30% Math proficiency	527
40	Eisenhower El Sch Pittsburgh · Elementary · Grades K–4	Public	524	87.7 Top 5%	82% Math proficiency	524
41	Highcliff El Sch Pittsburgh · Elementary · Grades K–5	Public	519	85.4 Top 5%	69% Math proficiency	519
42	Edgewood El STEAM Academy Pittsburgh · Elementary · Grades PK–5	Public	516	49.7 Lower 50%	42% Math proficiency	516
43	Pittsburgh Carrick HS Pittsburgh · High · Grades 9–12	Public	515	53.6 Top 50%	52% Math proficiency	515
44	Ingomar MS Pittsburgh · Middle · Grades 6–8	Public	514	88.3 Top 5%	61% Math proficiency	514
45	Holiday Park Intermediate Sch Pittsburgh · Middle · Grades 5–6	Public	513	75.9 Top 25%	58% Math proficiency	513
46	O'Block El Sch Pittsburgh · Elementary · Grades K–4	Public	512	78.8 Top 25%	70% Math proficiency	512
47	Ross El Sch Pittsburgh · Elementary · Grades K–5	Public	498	92.1 Top 5%	82% Math proficiency	498
48	Pittsburgh Morrow K-8 Pittsburgh · Elementary · Grades PK–8	Public	486	15.8 Lower 50%	14% Math proficiency	486
49	Pittsburgh Faison K-5 Pittsburgh · Elementary · Grades PK–5	Public	480	14.7 Lower 50%	13% Math proficiency	480
50	Avonworth El Sch Pittsburgh · Elementary · Grades 3–5	Public	478	84.4 Top 10%	68% Math proficiency	478
51	Northgate MSHS Pittsburgh · High · Grades 7–12	Public	476	41.7 Lower 50%	35% Math proficiency	476
52	Baker El Sch Pittsburgh · Elementary · Grades K–4	Public	471	88.5 Top 5%	87% Math proficiency	471
53	Streams El Sch Pittsburgh · Elementary · Grades K–4	Public	468	86.8 Top 5%	82% Math proficiency	468
54	Pittsburgh Dilworth K-5 Pittsburgh · Elementary · Grades PK–5	Public	454	54.5 Top 50%	54% Math proficiency	454
55	Wilkins El STEAM Academy Pittsburgh · Elementary · Grades PK–5	Public	447	31.8 Lower 50%	27% Math proficiency	447
56	West View El Sch Pittsburgh · Elementary · Grades K–5	Public	446	80.8 Top 10%	67% Math proficiency	446
57	Avonworth MS Pittsburgh · Middle · Grades 6–8	Public	446	72.6 Top 25%	51% Math proficiency	446
58	Keystone Oaks MS Pittsburgh · Middle · Grades 6–8	Public	442	72.6 Top 25%	48% Math proficiency	442
59	Pittsburgh Concord K-5 Pittsburgh · Elementary · Grades PK–5	Public	430	38.8 Lower 50%	35% Math proficiency	430
60	Pittsburgh Perry HS Pittsburgh · High · Grades 9–12	Public	430	25.4 Lower 50%	22% Math proficiency	430
61	Kerr El Sch Pittsburgh · Elementary · Grades K–5	Public	426	88.5 Top 5%	77% Math proficiency	426
62	Avonworth Primary Center Pittsburgh · Elementary · Grades K–2	Public	423	83.5 Top 10%	16.8% Free/reduced-price lunch	423
63	Pittsburgh Langley K-8 Pittsburgh · Elementary · Grades PK–8	Public	418	17.2 Lower 50%	10% Math proficiency	418
64	Washington El Sch Pittsburgh · Elementary · Grades K–5	Public	416	91.1 Top 5%	83% Math proficiency	416
65	Lincoln El Sch Pittsburgh · Elementary · Grades K–5	Public	414	86.0 Top 5%	77% Math proficiency	414
66	Peebles El Sch Pittsburgh · Elementary · Grades K–5	Public	400	88.1 Top 5%	82% Math proficiency	400
67	Howe El Sch Pittsburgh · Elementary · Grades K–5	Public	398	87.4 Top 5%	82% Math proficiency	398
68	Pittsburgh Greenfield K-8 Pittsburgh · Elementary · Grades PK–8	Public	396	53.0 Top 50%	46% Math proficiency	396
69	Fairview El Sch Pittsburgh · Elementary · Grades K–5	Public	387	93.4 Top 5%	92% Math proficiency	387
70	Pittsburgh South Hills 6-8 Pittsburgh · Middle · Grades 6–8	Public	387	25.4 Lower 50%	13% Math proficiency	387
71	Hartwood El Sch Pittsburgh · Elementary · Grades K–5	Public	386	90.7 Top 5%	82% Math proficiency	386
72	Pittsburgh Arlington K-8 Pittsburgh · Elementary · Grades PK–8	Public	385	21.7 Lower 50%	10% Math proficiency	385
73	Pittsburgh Brookline K-8 Pittsburgh · Elementary · Grades PK–8	Public	384	51.1 Top 50%	48% Math proficiency	384
74	Manchester Academic CS Pittsburgh · Elementary · Grades K–8	Charter	384	26.2 Lower 50%	10% Math proficiency	384
75	Dormont El Sch Pittsburgh · Elementary · Grades K–5	Public	380	85.3 Top 5%	67% Math proficiency	380
76	Pittsburgh King K-8 Pittsburgh · Elementary · Grades PK–8	Public	368	18.8 Lower 50%	12% Math proficiency	368
77	McClellan El Sch Pittsburgh · Elementary · Grades K–2	Public	367	70.1 Top 25%	34.9% Free/reduced-price lunch	367
78	Pittsburgh Beechwood K-5 Pittsburgh · Elementary · Grades PK–5	Public	360	43.3 Lower 50%	37% Math proficiency	360
79	McAnnulty El Sch Pittsburgh · Elementary · Grades PK–K	Public	354	58.5 Top 50%	47.7% Free/reduced-price lunch	354
80	Abraham Lincoln El Sch Pittsburgh · Elementary · Grades K–4	Public	348	80.6 Top 10%	67% Math proficiency	348
81	Bellevue El Sch Pittsburgh · Elementary · Grades PK–6	Public	348	48.5 Lower 50%	37% Math proficiency	348
82	Ingomar El Sch Pittsburgh · Elementary · Grades K–5	Public	344	84.9 Top 5%	69% Math proficiency	344
83	Urban Academy of Greater Pittsburgh CS Pittsburgh · Elementary · Grades K–5	Charter	344	29.5 Lower 50%	32% Math proficiency	344
84	Marzolf Primary Sch Pittsburgh · Elementary · Grades K–3	Public	337	83.4 Top 10%	72% Math proficiency	337
85	Pittsburgh Montessori K-5 Pittsburgh · Elementary · Grades PK–5	Public	332	59.5 Top 50%	57% Math proficiency	332
86	Brentwood SHS Pittsburgh · High · Grades 9–12	Public	331	58.0 Top 50%	52% Math proficiency	331
87	Pittsburgh Arsenal K-5 Pittsburgh · Elementary · Grades PK–5	Public	331	25.2 Lower 50%	27% Math proficiency	331
88	Urban Pathways 6-12 CS Pittsburgh · High · Grades 6–12	Charter	325	20.5 Lower 50%	7.5% Math proficiency	325
89	Pittsburgh Banksville K-5 Pittsburgh · Elementary · Grades K–5	Public	322	39.4 Lower 50%	32% Math proficiency	322
90	Young Scholars of Greater Allegheny CS Pittsburgh · Elementary · Grades PK–8	Charter	316	39.3 Lower 50%	27% Math proficiency	316
91	Propel CS-Northside Pittsburgh · Elementary · Grades K–8	Charter	316	20.1 Lower 50%	8% Math proficiency	316
92	Catalyst Academy CS Pittsburgh · Elementary · Grades K–5	Charter	315	50.2 Top 50%	75.9% Free/reduced-price lunch	315
93	Myrtle Ave Sch Pittsburgh · Elementary · Grades K–5	Public	312	74.9 Top 25%	62% Math proficiency	312
94	Jefferson El Sch Pittsburgh · Elementary · Grades K–5	Public	310	92.5 Top 5%	87% Math proficiency	310
95	Provident CS Pittsburgh · Middle · Grades 2–8	Charter	306	33.1 Lower 50%	17% Math proficiency	306
96	Foster El Sch Pittsburgh · Elementary · Grades K–5	Public	304	90.9 Top 5%	87% Math proficiency	304
97	Urban Pathways K-5 College CS Pittsburgh · Elementary · Grades K–5	Charter	304	29.0 Lower 50%	12% Math proficiency	304
98	Young Scholars of Western Pennsylvania CS Pittsburgh · Elementary · Grades K–8	Charter	297	46.5 Lower 50%	42% Math proficiency	297
99	Markham El Sch Pittsburgh · Elementary · Grades K–5	Public	296	90.7 Top 5%	87% Math proficiency	296
100	Pittsburgh Minadeo K-5 Pittsburgh · Elementary · Grades PK–5	Public	296	31.7 Lower 50%	37% Math proficiency	296

Mt Lebanon SHS in Pittsburgh leads the 2025 list of largest schools in Pittsburgh with Enrollment 1,772. Of the 100 schools shown, 89 are public, 11 are charter.

For the full picture see the wider Pennsylvania largest schools rankings, every school on the Pittsburgh page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best largest school in Pittsburgh?

Mt Lebanon SHS in Pittsburgh, Pennsylvania ranks first among largest schools in Pittsburgh with Enrollment 1,772 (Enrollment: 1,772).

How are largest schools in Pittsburgh 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.