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

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

17 public middle schools in St. Clair County, Illinois appear in this ranking of the most racially diverse public middle schools, ranked by the diversity index, the chance that two students picked at random belong to different racial or ethnic groups. Joseph Arthur Middle School leads the list at 70.7%, against a median of 55.1% 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 Diversity index

70.7%

Median Diversity index

55.1%

MOST DIVERSE · ST. CLAIR COUNTY, ILLINOIS

#	School	City	Students	Diversity index	% White	% Black	% Hispanic	% Asian
1	Joseph Arthur Middle School	O Fallon, IL	299	70.7%	38.1%(114)	35.5%(106)	10.4%(31)	5.0%(15)
2	Pontiac Jr High School	Fairview Heights, IL	212	68.3%	31.6%(67)	44.3%(94)	9.4%(20)	5.7%(12)
3	Harmony Intermediate Center	Belleville, IL	207	64.2%	32.9%(68)	47.8%(99)	5.8%(12)	0.0%(0)
4	Central Jr High School	Belleville, IL	308	62.7%	44.5%(137)	40.3%(124)	4.2%(13)	0.3%(1)
5	Grant Middle School	Fairview Heights, IL	254	62.0%	47.2%(120)	38.6%(98)	5.1%(13)	0.8%(2)
6	Wolf Branch Middle School	Swansea, IL	341	60.4%	57.2%(195)	23.5%(80)	7.9%(27)	3.5%(12)
7	Whiteside Middle School	Belleville, IL	475	57.7%	23.6%(112)	59.4%(282)	4.6%(22)	1.1%(5)
8	Shiloh Middle School	Shiloh, IL	331	57.1%	60.1%(199)	24.2%(80)	4.8%(16)	3.3%(11)
9	Amelia V Carriel Jr High	O Fallon, IL	664	55.1%	63.5%(422)	17.2%(114)	7.2%(48)	2.4%(16)
10	West Jr High School	Belleville, IL	364	54.4%	23.9%(87)	62.4%(227)	5.2%(19)	0.3%(1)
11	Fulton Jr High School	O Fallon, IL	667	52.0%	66.3%(442)	17.1%(114)	3.5%(23)	3.8%(25)
12	Mascoutah Middle School	Mascoutah, IL	973	49.4%	69.2%(673)	8.7%(85)	9.7%(94)	1.9%(19)
13	Wirth/Parks Middle School	Cahokia, IL	571	21.6%	2.5%(14)	88.3%(504)	2.8%(16)	0.0%(0)
14	Millstadt Consolidated School	Millstadt, IL	453	16.2%	91.4%(414)	3.1%(14)	3.5%(16)	0.2%(1)
15	Mason/Clark Middle School	East Saint Louis, IL	540	10.4%	0.7%(4)	94.6%(511)	2.6%(14)	0.2%(1)
16	Freeburg Elementary School	Freeburg, IL	508	9.5%	95.1%(483)	1.0%(5)	2.8%(14)	0.0%(0)
17	East St Louis-Lincoln Middle School	East Saint Louis, IL	359	2.8%	0.8%(3)	98.6%(354)	0.0%(0)	0.0%(0)

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.