Average
#243 of 716 private schools in IL
Top 34% of private schools
Althoff Catholic High School
High School · Belleville, IL
A private high school in Belleville, IL serving grades 9th – 12th.
5401 W MAIN ST, Belleville, IL 62226
- 14.1:1 student-teacher ratio
Academics
PreliminaryWhat this rating measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in IL.
Data not available
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in IL
Test scores
Most recent published year. School vs. IL average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Althoff Catholic High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the St. Louis map →
Getting around & local context
- Walk 36Car-Dependent
- Transit 33Some Transit
- Bike 56Bikeable
- City Safety: High2,367/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Belleville), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$66,018
Median home value
$162,500
Median rent
$946/mo
College educated
33.1%
Homeownership
65.6%
Poverty rate
14%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 62226; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Belleville High School-westEnrollment path unverified | 5.6 | 9–12 | 2.0 mi | 2,169 | Compare → |
| Governor French AcademyPrivate · tuition | 8.3private | PK–12 | 3.3 mi | 99 | Compare → |
| Jtc Boys AcademyPrivate · tuition | Not rated | 8–12 | 3.4 mi | 3 | Compare → |
| Belleville High School-eastEnrollment path unverified | 5.8 | 9–12 | 4.8 mi | 2,584 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Althoff Catholic High School is listed in Belleville, IL; verify the current enrollment path directly.
About Althoff Catholic High School
Althoff Catholic High School is a private high school in Belleville, IL, serving approximately 305 students in grades 9th-12th with a 14.1:1 student-teacher ratio. It holds a MySchoolScout rating of 6.8 out of 10 and ranks #243 of 716 private schools in IL.
Frequently asked questions
Common questions about Althoff Catholic High School
What grades does Althoff Catholic High School serve?
Althoff Catholic High School serves students in grades 9th through 12th.
How many students attend Althoff Catholic High School?
Althoff Catholic High School has an enrollment of approximately 305 students.
What is the student-teacher ratio at Althoff Catholic High School?
The student-teacher ratio at Althoff Catholic High School is 14.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Althoff Catholic High School rank in IL?
Althoff Catholic High School ranks #243 of 716 private schools in IL.
What is Althoff Catholic High School's MySchoolScout rating?
Althoff Catholic High School has a current MySchoolScout rating of 6.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Althoff Catholic High School a private school?
Yes, Althoff Catholic High School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Althoff Catholic High School a religious school?
Althoff Catholic High School has a Roman Catholic religious affiliation.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- 9th – 12th
- Enrollment
- 305
- Gender Split
- 57% M / 43% F
- Student-Teacher Ratio
- 14.1:1
- Teachers (FTE)
- 22
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 8 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- St. Clair County
- Phone
- (618) 235-1100
- Area population (ZIP 62226)
- 28,543
- Area average commute
- 25 min
- Area median age
- 41.6
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 62226; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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