allk12 · Rankings · Most diverse · Illinois · St. Clair County · High schools

The most racially diverse public high schools in St. Clair County, Illinois

Across St. Clair County, Illinois, 11 public high schools are ranked here, ranked by how small the single largest racial or ethnic group is, so no one group dominates. Belleville High School-West leads the list at 45.3%, against a median of 72.5% 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

Best Largest group

45.3%

Median Largest group

72.5%

MOST DIVERSE · ST. CLAIR COUNTY, ILLINOIS

#	School	City	Students	Largest group	% White	% Black	% Hispanic	% Asian
1	Belleville High School-West	Belleville, IL	2,118	45.3% Black (960)	43.3%(918)	45.3%(960)	5.8%(122)	0.4%(9)
2	Belleville High School-East	Belleville, IL	2,600	49.7% Black (1,292)	35.9%(933)	49.7%(1,292)	4.9%(127)	1.7%(45)
3	Collinsville High School	Collinsville, IL	1,956	52.6% White (1,028)	52.6%(1,028)	13.8%(271)	27.6%(539)	0.4%(7)
4	O Fallon High School	O Fallon, IL	2,540	59.0% White (1,499)	59.0%(1,499)	20.4%(518)	8.1%(205)	2.5%(63)
5	Mascoutah High School	Mascoutah, IL	1,243	66.0% White (821)	66.0%(821)	10.5%(130)	10.2%(127)	2.1%(26)
6	Lebanon High School	Lebanon, IL	218	72.5% White (158)	72.5%(158)	16.1%(35)	5.0%(11)	0.9%(2)
7	Dupo High School	Dupo, IL	259	81.8% White (212)	81.8%(212)	3.5%(9)	5.4%(14)	0.0%(0)
8	Marissa Jr & Sr High School	Marissa, IL	226	85.8% White (194)	85.8%(194)	1.8%(4)	5.3%(12)	0.0%(0)
9	Cahokia High School	Cahokia, IL	850	89.2% Black (758)	2.8%(24)	89.2%(758)	2.9%(25)	0.0%(0)
10	Freeburg Community High Sch	Freeburg, IL	689	90.9% White (626)	90.9%(626)	1.2%(8)	2.8%(19)	1.4%(10)
11	East St Louis Senior High School	East Saint Louis, IL	1,288	94.1% Black (1,212)	1.8%(23)	94.1%(1,212)	2.7%(35)	0.0%(0)

Page 1 of 1 · top 11 of 11 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.