Metro East Sun

St. Clair County schools welcomed 39,912 students in the 2022-23 school year, according to the Illinois State Board of Education.

This is a decrease of 1.1% from the previous school year, when there were 40,341 students enrolled in the county.

St. Clair County had the eighth highest enrollment numbers in the state.

Of all the students welcomed at the time, 51.4% identified as male, and 48.6% as female.

The most represented ethnicity among St. Clair County students was white, making up about 47.2% of all the students.

Within St. Clair County, O'Fallon High School had the highest enrollment in the school year, welcoming 2,479 students.

In 2022, Illinois had almost 2 million students enrolled in nearly 4,000 schools. There was roughly one teacher for every 15 students, slightly better than the national average of 1:16.

K-12 enrollment has been declining in Illinois for many years, reflecting the state's 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 five years.

School	City	Enrollment
Abraham Lincoln Elementary School	Belleville	485
Amelia V. Carriel Junior High School	O'Fallon	671
Annette Officer Elementary School	East St. Louis	335
Belle Valley School	Belleville	964
Belleville East High School	Belleville	2,422
Belleville West High School	Belleville	2,039
Bluffview Elementary School	Dupo	504
Cahokia High School	Cahokia	820
Caseyville Elementary School	Caseyville	321
Caseyville Elementary School	Caseyville	321
Central Elementary School	O'Fallon	357
Central Elementary School	O'Fallon	357
Central Junior High School	Belleville	352
Collinsville High School	Collinsville	1,944
Delores Moye Elementary School	O'Fallon	655
Douglas Elementary School	Belleville	280
Dunbar Elementary School	East St. Louis	333
Dupo High School	Dupo	254
Dupo Junior High School	Dupo	143
East St. Louis Senior High School	East St. Louis	1,140
East St. Louis-Lincoln Middle School	East St. Louis	441
Elizabeth Morris Elementary School	Cahokia	261
Ellis Elementary School	Belleville	351
Emge Junior High School	Belleville	177
Estelle Kampmeyer Elementary School	O'Fallon	460
Estelle Sauget School of Choice	Cahokia	257
Franklin Elementary School	Belleville	133
Freeburg Community High School	Freeburg	651
Freeburg Elementary School	Freeburg	524
Freeburg Primary Center	Freeburg	269
Fulton Junior High School	O'Fallon	654
Grant Middle School	Fairview Heights	229
Harmony Intermediate Center	Belleville	224
Helen Huffman Elementary School	Cahokia	278
Henry Raab Elementary School	Belleville	142
High Mount Elementary School	Swansea	320
Illini Elementary School	Fairview Heights	319
J. Emmett Hinchcliffe Senior Elementary School	O'Fallon	456
James Avant Elementary School	Washington Park	325
Jefferson Elementary School	Belleville	323
Joseph Arthur Middle School	O'Fallon	231
Joseph Arthur Middle School	O'Fallon	231
Katie Harper-Wright Elementary School	East St. Louis	397
Lalumier Elementary School	Centreville	276
Laverna Evans Elementary School	O'Fallon	384
Lebanon Elementary School	Lebanon	275
Lebanon High School	Lebanon	235
Lovejoy Elementary School	Lovejoy	101
Lovejoy Middle School	Lovejoy	20
Lovejoy Technology Academy	Lovejoy	21
Maplewood Elementary School	Cahokia	290
Marie Schaefer Elementary School	O'Fallon	646
Marissa Elementary School	Marissa	271
Marissa Junior and Senior High School	Marissa	247
Mascoutah Elementary School	Mascoutah	766
Mascoutah High School	Mascoutah	1,212
Mascoutah Middle School	Mascoutah	885
Mason-Clark Middle School	East St. Louis	600
Millstadt Consolidated School	Millstadt	462
Millstadt Primary Center	Millstadt	240
New Athens Elementary School	New Athens	226
New Athens High School	New Athens	145
New Athens Junior High School	New Athens	107
O'Fallon High School	O'Fallon	2,479
Penniman Elementary School	Cahokia	256
Pontiac Junior High School	Fairview Heights	200
Roosevelt Elementary School	Belleville	259
Scott Elementary School	Scott Air Force Base	750
Shiloh Elementary School	Shiloh	226
Shiloh Middle School	Shiloh	329
Signal Hill Elementary School	Belleville	285
Smithton Elementary School	Smithton	546
Southern Illinois University Charter School of East St. Louis	East St. Louis	108
St. Libory Elementary School	St. Libory	63
Twin Echo Elementary School	Collinsville	212
Union Elementary School	Belleville	393
West Junior High School	Belleville	419
Westhaven Elementary School	Belleville	378
Whiteside Elementary School	Belleville	672
Whiteside Middle School	Belleville	490
William Holliday Elementary School	Fairview Heights	420
Wingate Elementary School	Shiloh	491
Wolf Branch Elementary School	Swansea	429
Wolf Branch Middle School	Swansea	338
Wyvetter Younge School of Excellence	East St. Louis	410