allk12 · Rankings · Highest ratio · Illinois · St. Clair County

The public schools with the highest student-to-teacher ratios in St. Clair County, Illinois

Across St. Clair County, Illinois, 73 public schools are ranked here, ranked by the most students per teacher, a proxy for larger classes. Lalumier Elem School leads the list at 21.4:1, against a median of 14.6:1 across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

St. Clair County, Illinois

Top Students/teacher

21.4:1

Median Students/teacher

14.6:1

HIGHEST RATIO · ST. CLAIR COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Lalumier Elem School	Centreville, IL	Cahokia CUSD 187	Elementary	276	21.4:1
2	Laverna Evans Elem School	O Fallon, IL	O Fallon CCSD 90	Elementary	421	20.1:1
3	Cahokia High School	Cahokia, IL	Cahokia CUSD 187	High	850	18.6:1
4	Fulton Jr High School	O Fallon, IL	O Fallon CCSD 90	Middle	667	18.5:1
5	J Emmett Hinchcliffe Sr Elem Sch	O Fallon, IL	O Fallon CCSD 90	Elementary	452	18.1:1
6	Penniman Elem School	Cahokia, IL	Cahokia CUSD 187	Elementary	250	18.0:1
7	Amelia V Carriel Jr High	O Fallon, IL	O Fallon CCSD 90	Middle	664	17.9:1
8	Elizabeth Morris Elem School	Cahokia, IL	Cahokia CUSD 187	Elementary	246	17.6:1
9	Marie Schaefer Elem School	O Fallon, IL	O Fallon CCSD 90	Elementary	598	17.3:1
10	Estelle Sauget School of Choice	Cahokia, IL	Cahokia CUSD 187	Elementary	240	17.3:1
11	Harmony Intermediate Center	Belleville, IL	Harmony Emge SD 175	Middle	207	17.1:1
12	Belleville High School-East	Belleville, IL	Belleville Twp HSD 201	High	2,600	16.9:1
13	Mascoutah Elem School	Mascoutah, IL	Mascoutah CUD 19	Elementary	853	16.8:1
14	Shiloh Middle School	Shiloh, IL	Shiloh Village SD 85	Middle	331	16.6:1
15	Abraham Lincoln Elem School	Belleville, IL	Belleville SD 118	Elementary	542	16.4:1
16	Whiteside Middle School	Belleville, IL	Whiteside SD 115	Middle	475	16.4:1
17	O Fallon High School	O Fallon, IL	O Fallon Twp HSD 203	High	2,540	16.3:1
18	Belleville High School-West	Belleville, IL	Belleville Twp HSD 201	High	2,118	15.8:1
19	Estelle Kampmeyer Elem School	O Fallon, IL	O Fallon CCSD 90	Elementary	465	15.8:1
20	Ellis Elem School	Belleville, IL	Harmony Emge SD 175	Elementary	382	15.6:1
21	Mascoutah High School	Mascoutah, IL	Mascoutah CUD 19	High	1,243	15.6:1
22	East St Louis Senior High School	East Saint Louis, IL	East St Louis SD 189	High	1,288	15.5:1
23	Wolf Branch Elem School	Swansea, IL	Wolf Branch SD 113	Elementary	482	15.5:1
24	Twin Echo Elem School	Collinsville, IL	Collinsville CUSD 10	Elementary	222	15.4:1
25	Freeburg Community High Sch	Freeburg, IL	Freeburg CHSD 77	High	689	15.3:1
26	Maplewood Elem School	Cahokia, IL	Cahokia CUSD 187	Elementary	290	15.3:1
27	Wyvetter Younge Sch of Excellence	E Saint Louis, IL	East St Louis SD 189	Elementary	534	15.3:1
28	Huffman Elem School	Cahokia, IL	Cahokia CUSD 187	Elementary	268	15.2:1
29	Mascoutah Middle School	Mascoutah, IL	Mascoutah CUD 19	Middle	973	15.1:1
30	Union Elem School	Belleville, IL	Belleville SD 118	Elementary	432	15.1:1
31	Scott Elem School	Scott Air Force Base, IL	Mascoutah CUD 19	Elementary	852	15.1:1
32	Vivian Adams Early Child Ctr	East Saint Louis, IL	East St Louis SD 189	Elementary	377	15.1:1
33	New Athens Elem	New Athens, IL	New Athens CUSD 60	Elementary	229	15.0:1
34	Collinsville High School	Collinsville, IL	Collinsville CUSD 10	High	1,956	14.9:1
35	Lebanon Elem School	Lebanon, IL	Lebanon CUSD 9	Elementary	312	14.9:1
36	Pontiac Jr High School	Fairview Heights, IL	Pontiac-W Holliday SD 105	Middle	212	14.7:1
37	Roosevelt Elem School	Belleville, IL	Belleville SD 118	Elementary	272	14.6:1
38	Delores Moye Elem School	O Fallon, IL	O Fallon CCSD 90	Elementary	595	14.5:1
39	Annette Officer Elementary	East Saint Louis, IL	East St Louis SD 189	Elementary	362	14.5:1
40	Wirth/Parks Middle School	Cahokia, IL	Cahokia CUSD 187	Middle	571	14.3:1
41	Whiteside Elem School	Belleville, IL	Whiteside SD 115	Elementary	680	14.2:1
42	Freeburg Elem School	Freeburg, IL	Freeburg CCSD 70	Middle	508	14.1:1
43	Millstadt Consolidated School	Millstadt, IL	Millstadt CCSD 160	Middle	453	13.6:1
44	Freeburg Primary Center	Freeburg, IL	Freeburg CCSD 70	Elementary	244	13.6:1
45	Smithton Elem School	Smithton, IL	Smithton CCSD 130	Elementary	541	13.5:1
46	Katie Harper-Wright Elem	East Saint Louis, IL	East St Louis SD 189	Elementary	418	13.5:1
47	Caseyville Elementary School	Caseyville, IL	Collinsville CUSD 10	Elementary	336	13.4:1
48	Wolf Branch Middle School	Swansea, IL	Wolf Branch SD 113	Middle	341	13.1:1
49	Bluffview Elem School	Dupo, IL	Comm Unit School District No 196	Elementary	501	13.0:1
50	Shiloh Elementary School	Shiloh, IL	Shiloh Village SD 85	Elementary	245	12.9:1

Page 1 of 2 · top 73 of 73 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

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