allk12 · Rankings · Highest proficiency · Illinois · St. Clair County · High schools

The highest-performing public high schools by test proficiency in St. Clair County, Illinois

This ranking covers the highest-performing public high schools by test proficiency in St. Clair County, Illinois, drawn from 12 qualifying public high schools. Mascoutah High School leads the list at 58.9%, against a median of 38.3% 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 % Proficient

58.9%

Median % Proficient

38.3%

HIGHEST PROFICIENCY · ST. CLAIR COUNTY, ILLINOIS

#	School	City	District	Level	% FRL	Students	% Proficient
1	Mascoutah High School	Mascoutah, IL	Mascoutah CUD 19	High	21.8%	1,243	58.9%
2	Freeburg Community High School	Freeburg, IL	Freeburg CHSD 77	High	18.1%	689	57.1%
3	O Fallon High School	O Fallon, IL	O Fallon Twp HSD 203	High	28.1%	2,540	51.7%
4	New Athens High School	New Athens, IL	New Athens CUSD 60	High	31.7%	164	49.0%
5	Lebanon High School	Lebanon, IL	Lebanon CUSD 9	High	39.9%	218	42.2%
6	Marissa Jr & Sr High School	Marissa, IL	Marissa CUSD 40	High	59.7%	226	39.4%
7	Belleville High School-East	Belleville, IL	Belleville Twp HSD 201	High	55.6%	2,600	37.1%
8	Collinsville High School	Collinsville, IL	Collinsville CUSD 10	High	66.3%	1,956	34.3%
9	Belleville High School-West	Belleville, IL	Belleville Twp HSD 201	High	59.9%	2,118	26.9%
10	Dupo High School	Dupo, IL	Comm Unit School District No 196	High	67.2%	259	23.9%
11	Cahokia High School	Cahokia, IL	Cahokia CUSD 187	High	75.9%	850	10.1%
12	East St Louis Senior High School	East Saint Louis, IL	East St Louis SD 189	High	99.3%	1,288	10.0%

Page 1 of 1 · top 12 of 12 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.