St. Clair County Schools & Education
St. Clair County, Illinois
NCES 2022-23 public school data and FY 2022 school-finance dataSchool Score
61/100
Percentile-style score
Score Band
Midrange Signal
Graduation Rate
86.4%
National avg 87.5%
Education Statistics
Graduation Rate
86.4%
National avg 87.5%
State avg 88.8%
Per-Pupil Spending
$11,133
National avg $13,239
State avg $9,250
School Score
61/100
Percentile-style score
State avg 63/100
State Score Position
#55
of 102 counties by score
Education Data Brief: St. Clair County
Measured School Summary
St. Clair County performs at an average level with a school score of 61/100 and a solid graduation rate of 86.4%.
Funding Context
St. Clair County spends $11,133 per student, which is on the lower end of adequate and may require careful resource allocation to maintain quality.
Neighbor Context
Its school score is 3% below the Illinois average, and its graduation rate trails the state average by 2.4 percentage points, while per-pupil spending is 20% higher than the state norm.
School Data Brief
How to read St. Clair County before comparing districts
County-level education data is best used as a screening layer. It summarizes the local school environment, then points you toward the district and school records that matter for local review.
Local context that changes the interpretation
95 public schools and 30 districts are represented below. Use those school and district records to confirm whether the county-level context fits the neighborhoods you are actually considering.
Overall screen
61/100
Mixed county signal. Ranks #55 of 102 Illinois counties with school score data.
Completion
86.4%
2.4 pts below the state average
Funding context
$11,133
$1,883 above the state average
School coverage
95
30 districts represented in the county school list.
Start with measured county context
This county needs a closer look at district mix, school level, and local context. Compare the score, graduation rate, and spending together rather than treating any single metric as final.
Check the local school mix
St. Clair County has 95 public schools across 30 districts, so school-level fit can vary inside the county.
Verify local rules
Use this page as county-level context, then confirm attendance zones, transportation, special programs, and current school boundaries with local districts.
What St. Clair County school data means before you move
County averages are useful for screening, but parents choose addresses, grade pathways, and district rules. This brief turns the public data into the checks that matter before you sign a lease or mortgage.
Large multi-district county
St. Clair County has many school records across many districts. County averages are only the opening screen; neighborhood-level assignment and grade-band fit matter more here.
State position
#55
of 102 Illinois counties with school score data. The county score is 2 points below the state average.
Data confidence
Usable
3 of 5 county signals are present, and 98% of listed schools report enrollment. Compare schools, then verify missing fields locally.
K-12 continuity check
These are the largest visible district slices in the county data. They show whether elementary, middle, and high school records appear together or whether a family needs to investigate transition points.
Belleville Twp HSD 201
High school only in this slice
4,802 students
4 listed schools in this county slice.
East St Louis SD 189
Elementary to high school visible
4,679 students
12 listed schools in this county slice.
Mascoutah CUD 19
Elementary to high school visible
4,152 students
5 listed schools in this county slice.
O Fallon CCSD 90
Elementary and middle visible
3,944 students
7 listed schools in this county slice.
District reality check
Collinsville CUSD 10 is the largest listed district slice, with 12 schools. County pages do not prove address assignment, so verify boundaries with local district tools.
What the data cannot tell you
NCES records do not confirm current attendance zones, private-school options, transfer approvals, program capacity, transportation, or whether a listed school is available to a specific address.
Questions to ask before choosing an address
Which district actually serves the addresses we are considering in St. Clair County?
Do the neighborhoods we like fall inside the same district, or are we comparing different St. Clair County district systems?
What changes at the elementary-to-middle and middle-to-high transitions in the district pathway we would likely use?
Which charter, magnet, or virtual options require a lottery, application window, separate transportation plan, or address eligibility check?
Which schools are missing enrollment or ratio fields, and does the district publish a newer local profile than the NCES 2022-23 public school data and FY 2022 school-finance data?
Education Overview
About Schools in St. Clair County, Illinois
This context is screened for neutral school-data wording and should be read alongside the current metrics on this page. It is not school advice.
Extensive Education System in Metro East
St. Clair County manages a massive network of 95 public schools serving 41,217 students. This extensive system is divided among 30 districts and includes 48 elementary, 21 middle, and 21 high schools. Seven alternative schools and two special education schools provide additional specialized support for the community.
A Powerhouse of Diverse Districts
Collinsville CUSD 10 is the largest district, with 6,140 students across 12 schools. East St Louis SD 189 and Belleville SD 118 also serve thousands of students each across their extensive facilities. The county includes one charter school, making up roughly 1.1% of the total public school offering.
A Primarily Suburban School Experience
Schooling in St. Clair is largely a suburban affair, with 79 of its 95 schools located in suburban locales. Belleville High School-East is the county's largest campus, serving 2,568 students, while the overall school average is 485. A mix of 10 rural and six town schools ensures variety for families living outside the suburban core.
School Overview
Total Schools
95
in St. Clair County
Reported Enrollment
41,217
93 schools reporting
School Districts
30
districts
Charter Schools
1
1% of total
School Level Breakdown
30 School Districts in St. Clair County
Collinsville CUSD 10
GuideBelleville Twp HSD 201
GuideEast St Louis SD 189
GuideMascoutah CUD 19
GuideO Fallon CCSD 90
GuideBelleville SD 118
GuideCahokia CUSD 187
O Fallon Twp HSD 203
Whiteside SD 115
Belle Valley SD 119
95 Public Schools in St. Clair County
Sorted by reported enrollment. Dedicated profile pages are available for 7 high-enrollment schools; every NCES public school remains listed here.
NCES 2022-23 public school data and FY 2022 school-finance dataLevel
Showing 20 of 95 matching schools
| School Name | Profile | District | Location | Grades | Type / Flags | Reported Enrollment |
|---|---|---|---|---|---|---|
| Belleville High School-East | Profile | Belleville Twp HSD 201 | Belleville, 62221Suburb: Large | 9–12 | High | 2,568 |
| O Fallon High School | Profile | O Fallon Twp HSD 203 | O Fallon, 62269Suburb: Large | 9–12 | High | 2,521 |
| Belleville High School-West | Profile | Belleville Twp HSD 201 | Belleville, 62223Rural: Fringe | 9–12 | High | 2,234 |
| Collinsville High School | Profile | Collinsville CUSD 10 | Collinsville, 62234Suburb: Large | 9–12 | High | 1,978 |
| East St Louis Senior High School | Profile | East St Louis SD 189 | East Saint Louis, 62205Suburb: Large | 9–12 | High | 1,299 |
| Mascoutah High School | Profile | Mascoutah CUD 19 | Mascoutah, 62258Town: Fringe | 9–12 | High | 1,227 |
| Belle Valley School | Profile | Belle Valley SD 119 | Belleville, 62220Suburb: Large | PK–8 | Primary | 985 |
| Mascoutah Middle School | Record | Mascoutah CUD 19 | Mascoutah, 62258Town: Fringe | 6–8 | Middle | 897 |
| Cahokia High School | Record | Cahokia CUSD 187 | Cahokia, 62206Suburb: Large | 9–12 | High | 845 |
| Mascoutah Elem School | Record | Mascoutah CUD 19 | Mascoutah, 62258Town: Fringe | PK–5 | Primary | 776 |
| Scott Elem School | Record | Mascoutah CUD 19 | Scott Air Force Base, 62225Rural: Fringe | PK–5 | Primary | 755 |
| Freeburg Community High Sch | Record | Freeburg CHSD 77 | Freeburg, 62243Suburb: Large | 9–12 | High | 683 |
| Amelia V Carriel Jr High | Record | O Fallon CCSD 90 | O Fallon, 62269Suburb: Large | 6–8 | Middle | 676 |
| Whiteside Elem School | Record | Whiteside SD 115 | Belleville, 62221Suburb: Large | PK–4 | Primary | 670 |
| Fulton Jr High School | Record | O Fallon CCSD 90 | O Fallon, 62269Suburb: Large | 6–8 | Middle | 649 |
| Marie Schaefer Elem School | Record | O Fallon CCSD 90 | O Fallon, 62269Suburb: Large | PK–5 | Primary | 642 |
| Wirth/Parks Middle School | Record | Cahokia CUSD 187 | Cahokia, 62206Suburb: Large | 6–8 | Middle | 617 |
| Mason/Clark Middle Sch | Record | East St Louis SD 189 | East Saint Louis, 62203Suburb: Large | 5–8 | Middle | 615 |
| Delores Moye Elem School | Record | O Fallon CCSD 90 | O Fallon, 62269Suburb: Large | PK–5 | Primary | 595 |
| Smithton Elem School | Record | Smithton CCSD 130 | Smithton, 62285Town: Fringe | PK–8 | Primary | 556 |
Belleville High School-East
Belleville Twp HSD 201
Belleville, 62221 / Suburb: Large
O Fallon High School
O Fallon Twp HSD 203
O Fallon, 62269 / Suburb: Large
Belleville High School-West
Belleville Twp HSD 201
Belleville, 62223 / Rural: Fringe
Collinsville High School
Collinsville CUSD 10
Collinsville, 62234 / Suburb: Large
East St Louis Senior High School
East St Louis SD 189
East Saint Louis, 62205 / Suburb: Large
Mascoutah High School
Mascoutah CUD 19
Mascoutah, 62258 / Town: Fringe
Belle Valley School
Belle Valley SD 119
Belleville, 62220 / Suburb: Large
Scott Elem School
Mascoutah CUD 19
Scott Air Force Base, 62225 / Rural: Fringe
Freeburg Community High Sch
Freeburg CHSD 77
Freeburg, 62243 / Suburb: Large
Marie Schaefer Elem School
O Fallon CCSD 90
O Fallon, 62269 / Suburb: Large
Mason/Clark Middle Sch
East St Louis SD 189
East Saint Louis, 62203 / Suburb: Large
Delores Moye Elem School
O Fallon CCSD 90
O Fallon, 62269 / Suburb: Large
Education Funding Detail
Annual Per-Pupil Expenditure
$11,133
State avg $9,250
Compare Nearby Counties
Review St. Clair County against other counties using the same NCES-backed metrics.
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See school-level enrollment, grade ranges, school type, and district affiliation.
View SchoolsFrequently Asked Questions
Which Illinois counties have the highest graduation rates?
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How should I read the school score in St. Clair County?
What is the graduation rate in St. Clair County?
How much does St. Clair County spend per student?
Frequently Asked Questions
Schools in St. Clair County, Illinois — FAQ
What does the school system look like in St. Clair County, Illinois?
St. Clair County manages a massive network of 95 public schools serving 41,217 students. This extensive system is divided among 30 districts and includes 48 elementary, 21 middle, and 21 high schools. Seven alternative schools and two special education schools provide additional specialized support for the community.
What are the major school districts in St. Clair County, Illinois?
Collinsville CUSD 10 is the largest district, with 6,140 students across 12 schools. East St Louis SD 189 and Belleville SD 118 also serve thousands of students each across their extensive facilities. The county includes one charter school, making up roughly 1.1% of the total public school offering.
What is the school experience like in St. Clair County?
Schooling in St. Clair is largely a suburban affair, with 79 of its 95 schools located in suburban locales. Belleville High School-East is the county's largest campus, serving 2,568 students, while the overall school average is 485. A mix of 10 rural and six town schools ensures variety for families living outside the suburban core.
Counties with Similar School Profile
Data Sources
Education data sourced from the National Center for Education Statistics (NCES) Common Core of Data and School District Finance Survey. School scores are derived composite metrics based on available NCES graduation-rate and school-finance signals.
Data is informational only. Coverage varies by county and reporting year. Not for use as the sole basis for educational decisions.