Metro East Sun

Of the many ethnicities represented in St. Clair County district's, white was the most prevalent ethnicity among St. Clair County students in the 2021-22 school year, according to the Illinois State Board of Education.

Of the 38,221 students attending St. Clair County district schools, 46.3% were white. African American students were the second largest ethnicity, making up 41.1% of St. Clair County's districts students.

In the previous school year, white students were the most common group in St. Clair County districts, representing 46.3% of the student body.

Mascoutah Community Unit School District 19 had the most diverse student body in the St. Clair County, including American Indian, Asian, African American, Hispanic, Pacific Islander, Multi-racial, and white.

In the 2021-22 school year, the total number of students enrolled in public school districts in the county increased 0.2% when compared to the previous year.

The main offices of all districts mentioned in the story are located in cities associated with St. Clair County.

In the 2021-22 school year, Illinois had roughly 1.9 million students enrolled across approximately schools. There were more than 130,000 teachers in the public schools, or roughly one teacher for every 15 students, compared to the national average of 1:16.

K-12 enrollment has been declining in Illinois for many years, reflecting demographic changes. Combined public and private K-12 enrollment dropped 3% between the 2019–20 and 2020–21 school years (60,900 students), far more than the typical 0.5% to 1.5% annual enrollment declines in Illinois over the last 5 years.

District	Most prevalent ethnicity	Percent of Total Student Body	Total Enrolment
Belle Valley School District 119	African American	57%	980
Belleville School District 118	African American	48.1%	3,395
Belleville Township High School District 201	African American	45.3%	4,773
Brooklyn Community Unit School District 188	African American	99.4%	171
Cahokia Community Unit School District 187	African American	88.6%	3,013
Central School District 104	White	42.8%	552
Dupo Community Unit School District 196	White	82.5%	941
East St. Louis School District 189	African American	96.8%	4,618
Freeburg Community Consolidated School District 70	White	93.8%	777
Freeburg Community High School District 77	White	93.8%	677
Grant Community Consolidated School District 110	White	48.3%	534
Harmony Emge School District 175	African American	46.6%	766
High Mount School District 116	White	38.8%	345
Lebanon Community Unit School District 9	White	67.1%	501
Marissa Community Unit School District 40	White	91.1%	506
Mascoutah Community Unit School District 19	White	68.6%	4,154
Millstadt Consolidated Community School District 160	White	91.7%	720
New Athens Community Unit School District 60	White	96.5%	483
O'Fallon Community Consolidated School District 90	White	66.3%	3,799
O'Fallon Township High School District 203	White	60.3%	2,497
Pontiac-William Holliday School District 105	African American	44.8%	665
Shiloh Village School District 85	White	67.2%	546
Signal Hill School District 181	African American	48.3%	298
Smithton Community Consolidated School District 130	White	96.2%	553
St. Libory Consolidated School District 30	White	98%	50
Whiteside School District 115	African American	54.2%	1,174
Wolf Branch School District 113	White	62.1%	733