Largest Schools in St. Louis City (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 59 schools in St. Louis City, Missouri. Rank positions shown on each profile are within United States and Missouri.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Gateway High ST Louis · High · Grades 9–12	Public	860	22.9 Lower 50%	16% Math proficiency	860
2	Roosevelt High ST Louis · High · Grades 9–12	Public	734	16.6 Lower 50%	15% Math proficiency	734
3	Vashon High ST Louis · High · Grades 9–12	Public	621	8.1 Lower 50%	2.5% Math proficiency	621
4	McKinley Class. Leadership Ac. ST Louis · High · Grades 6–12	Public	610	61.4 Top 50%	73% Math proficiency	610
5	Stix Early Childhood Ctr. ST Louis · Elementary · Grades PK–2	Public	472	26.3 Lower 50%	100% Free/reduced-price lunch	472
6	Gateway Elem. ST Louis · Elementary · Grades PK–5	Public	426	18.6 Lower 50%	21% Math proficiency	426
7	Compton-Drew Ilc Middle ST Louis · Middle · Grades 6–8	Public	419	13.3 Lower 50%	12% Math proficiency	419
8	Mullanphy Botanical Gardens ST Louis · Elementary · Grades PK–5	Public	413	18.0 Lower 50%	17% Math proficiency	413
9	Sumner High ST Louis · High · Grades 9–12	Public	407	12.4 Lower 50%	2.5% Math proficiency	407
10	Carr Lane Vpa Middle ST Louis · Middle · Grades 6–8	Public	396	14.2 Lower 50%	8% Math proficiency	396
11	Mason Elem. ST Louis · Elementary · Grades PK–6	Public	393	35.4 Lower 50%	41% Math proficiency	393
12	Gateway Middle ST Louis · Middle · Grades 6–8	Public	382	12.6 Lower 50%	5% Math proficiency	382
13	Busch MS Character Athletics ST Louis · Middle · Grades 6–8	Public	361	13.4 Lower 50%	13% Math proficiency	361
14	Buder Elem. ST Louis · Elementary · Grades PK–5	Public	359	25.6 Lower 50%	32% Math proficiency	359
15	Woerner Elem ST Louis · Elementary · Grades PK–5	Public	349	15.5 Lower 50%	15% Math proficiency	349
16	Soldan International Studies ST Louis · High · Grades 9–12	Public	337	22.9 Lower 50%	12% Math proficiency	337
17	Dewey Sch.-Internat'l. Studies ST Louis · Elementary · Grades PK–5	Public	337	18.1 Lower 50%	17% Math proficiency	337
18	Collegiate School of Med/Bio St. Louis · High · Grades 9–12	Public	332	63.0 Top 50%	72% Math proficiency	332
19	Nahed Chapman New American Aca St. Louis · Elementary · Grades K–8	Public	332	14.4 Lower 50%	2.5% Math proficiency	332
20	Earl Nance Sr. Elem. ST Louis · Elementary · Grades PK–6	Public	321	10.8 Lower 50%	2.5% Math proficiency	321
21	Woodward Elem. ST Louis · Elementary · Grades PK–5	Public	319	9.3 Lower 50%	2.5% Math proficiency	319
22	Metro High ST Louis · High · Grades 9–12	Public	317	64.5 Top 50%	72% Math proficiency	317
23	Central Visual/Perf. Arts High ST Louis · High · Grades 9–12	Public	314	27.0 Lower 50%	12% Math proficiency	314
24	Mallinckrodt A.b.i. Elem. ST Louis · Elementary · Grades PK–5	Public	313	68.8 Top 25%	92% Math proficiency	313
25	Wilkinson Early Childhood Ctr. ST Louis · Elementary · Grades PK–2	Public	304	31.4 Lower 50%	100% Free/reduced-price lunch	304
26	Yeatman-Liddell Middle School ST Louis · Middle · Grades 6–8	Public	300	10.4 Lower 50%	4% Math proficiency	300
27	Long Middle Community Ed. Ctr. ST Louis · Middle · Grades 6–8	Public	290	10.5 Lower 50%	5% Math proficiency	290
28	Acad of Entre Stdy@louverture St. Louis · Middle · Grades 6–8	Public	289	14.6 Lower 50%	6% Math proficiency	289
29	Cole Elem. ST Louis · Elementary · Grades PK–8	Public	283	13.6 Lower 50%	2.5% Math proficiency	283
30	Hickey Elem. ST Louis · Elementary · Grades PK–6	Public	273	9.1 Lower 50%	2.5% Math proficiency	273
31	Shaw Visual/Perf. Arts Ctr. ST Louis · Elementary · Grades PK–5	Public	272	16.1 Lower 50%	12% Math proficiency	272
32	Washington Montessori ST Louis · Elementary · Grades PK–5	Public	266	13.8 Lower 50%	7.5% Math proficiency	266
33	Laclede Elem. ST Louis · Elementary · Grades PK–8	Public	264	9.3 Lower 50%	7.5% Math proficiency	264
34	Mann Elem. ST Louis · Elementary · Grades PK–6	Public	261	12.2 Lower 50%	12% Math proficiency	261
35	Betty Wheeler Classical Jr. Ac ST Louis · Elementary · Grades PK–5	Public	260	71.5 Top 25%	87% Math proficiency	260
36	Oak Hill Elem. ST Louis · Elementary · Grades PK–5	Public	256	15.8 Lower 50%	22% Math proficiency	256
37	Hamilton Elem. Community Ed. ST Louis · Elementary · Grades PK–5	Public	243	14.4 Lower 50%	12% Math proficiency	243
38	Lyon at Blow Elem. ST Louis · Elementary · Grades PK–8	Public	243	14.4 Lower 50%	5% Math proficiency	243
39	Lexington Elem. ST Louis · Elementary · Grades PK–5	Public	234	15.2 Lower 50%	22% Math proficiency	234
40	Columbia Elem. Comm. Ed. Ctr. ST Louis · Elementary · Grades PK–6	Public	216	7.5 Lower 50%	2.5% Math proficiency	216
41	Carnahan Middle St.louis · Middle · Grades 6–8	Public	214	33.1 Lower 50%	98.6% Free/reduced-price lunch	214
42	Sigel Elem. Comm. Ed. Ctr. ST Louis · Elementary · Grades PK–6	Public	206	14.9 Lower 50%	17% Math proficiency	206
43	Hodgen Elem. ST Louis · Elementary · Grades PK–6	Public	206	14.2 Lower 50%	12% Math proficiency	206
44	Herzog Elem. ST Louis · Elementary · Grades PK–6	Public	201	10.0 Lower 50%	2.5% Math proficiency	201
45	Ashland Elem. and Br. ST Louis · Elementary · Grades PK–6	Public	199	11.2 Lower 50%	2.5% Math proficiency	199
46	Monroe Elem. ST Louis · Elementary · Grades PK–6	Public	181	10.8 Lower 50%	7.5% Math proficiency	181
47	Froebel Elem. ST Louis · Elementary · Grades PK–5	Public	178	12.0 Lower 50%	17% Math proficiency	178
48	Bryan Hill Elem. ST Louis · Elementary · Grades PK–5	Public	173	11.8 Lower 50%	17% Math proficiency	173
49	Meramec Elem. ST Louis · Elementary · Grades PK–5	Public	171	13.2 Lower 50%	7.5% Math proficiency	171
50	Adams Elem. ST Louis · Elementary · Grades PK–6	Public	171	12.3 Lower 50%	12% Math proficiency	171
51	Peabody Elem. ST Louis · Elementary · Grades PK–5	Public	171	12.3 Lower 50%	2.5% Math proficiency	171
52	Henry Elem. ST Louis · Elementary · Grades PK–6	Public	165	12.7 Lower 50%	7.5% Math proficiency	165
53	Shenandoah Elem. ST Louis · Elementary · Grades PK–6	Public	145	12.1 Lower 50%	7.5% Math proficiency	145
54	Ames Visual/Perf. Arts ST Louis · Elementary · Grades PK–5	Public	131	13.5 Lower 50%	12% Math proficiency	131
55	Jefferson Elem. ST Louis · Elementary · Grades PK–5	Public	125	10.6 Lower 50%	2.5% Math proficiency	125
56	Walbridge Elem. Community Ed. ST Louis · Elementary · Grades PK–6	Public	122	10.6 Lower 50%	2.5% Math proficiency	122
57	Humboldt Acad of Higher Lrning St. Louis · Elementary · Grades 3–5	Public	108	10.9 Lower 50%	7.5% Math proficiency	108
58	George Washington Carver Elem St. Louis · Elementary · Grades PK–5	Public	103	11.4 Lower 50%	2.5% Math proficiency	103
59	Community Access Job Training ST Louis · High · Grades 8–12	Public	85	12.9 Lower 50%	10% Math proficiency	85

Gateway High in ST Louis leads the 2025 list of largest schools in St. Louis City with Enrollment 860. Of the 59 schools shown, 59 are public.

For the full picture see the wider Missouri largest schools rankings, every school on the St. Louis City 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 St. Louis City?

Gateway High in ST Louis, Missouri ranks first among largest schools in St. Louis City with Enrollment 860 (Enrollment: 860).

How are largest schools in St. Louis City 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.