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

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

17 public middle schools in St. Clair County, Illinois appear in this ranking of the public middle schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Fulton Jr High School leads the list at 18.5:1, against a median of 14.1:1 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

St. Clair County, Illinois

Top Students/teacher

18.5:1

Median Students/teacher

14.1:1

HIGHEST RATIO · ST. CLAIR COUNTY, ILLINOIS

#	School	City	District	Level	Students	Ratio
1	Fulton Jr High School	O Fallon, IL	O Fallon CCSD 90	Middle	667	18.5:1
2	Amelia V Carriel Jr High	O Fallon, IL	O Fallon CCSD 90	Middle	664	17.9:1
3	Harmony Intermediate Center	Belleville, IL	Harmony Emge SD 175	Middle	207	17.1:1
4	Shiloh Middle School	Shiloh, IL	Shiloh Village SD 85	Middle	331	16.6:1
5	Whiteside Middle School	Belleville, IL	Whiteside SD 115	Middle	475	16.4:1
6	Mascoutah Middle School	Mascoutah, IL	Mascoutah CUD 19	Middle	973	15.1:1
7	Pontiac Jr High School	Fairview Heights, IL	Pontiac-W Holliday SD 105	Middle	212	14.7:1
8	Wirth/Parks Middle School	Cahokia, IL	Cahokia CUSD 187	Middle	571	14.3:1
9	Freeburg Elem School	Freeburg, IL	Freeburg CCSD 70	Middle	508	14.1:1
10	Millstadt Consolidated School	Millstadt, IL	Millstadt CCSD 160	Middle	453	13.6:1
11	Wolf Branch Middle School	Swansea, IL	Wolf Branch SD 113	Middle	341	13.1:1
12	Central Jr High School	Belleville, IL	Belleville SD 118	Middle	308	12.7:1
13	West Jr High School	Belleville, IL	Belleville SD 118	Middle	364	12.4:1
14	Joseph Arthur Middle School	O Fallon, IL	Central SD 104	Middle	299	12.2:1
15	Mason/Clark Middle Sch	East Saint Louis, IL	East St Louis SD 189	Middle	540	11.5:1
16	Grant Middle School	Fairview Heights, IL	Grant CCSD 110	Middle	254	9.8:1
17	East St Louis-Lincoln Middle Sch	East Saint Louis, IL	East St Louis SD 189	Middle	359	8.0:1

Page 1 of 1 · top 17 of 17 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.