Average
#298 of 399 private schools in MO
Assumption Catholic School
Elementary School · O'fallon, MO
A private elementary school in O'fallon, MO serving grades Pre-K – 8th.
203 W 3RD ST, O'fallon, MO 63366
- 14.4:1 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 MO.
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 MO
Test scores
Most recent published year. School vs. MO 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 Assumption Catholic 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 53Somewhat Walkable
- Bike 44Somewhat Bikeable
- City Safety: Average544/100K
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FBI Uniform Crime Reporting · 2024 · city context (O'fallon), 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
$98,237
Median home value
$283,900
Median rent
$1,274/mo
College educated
34.3%
Homeownership
81.1%
Poverty rate
5.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 63366; 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 |
|---|---|---|---|---|---|
| Joseph L. Mudd Elem.Enrollment path unverified | 8.1 | K–2 | 0.7 mi | 434 | Compare → |
| Forest Park Elem.Enrollment path unverified | 4.6 | 3–5 | 0.8 mi | 400 | Compare → |
| First Baptist Christian AcademyPrivate · tuition | 6.8private | PK–6 | 1.0 mi | 124 | Compare → |
| Westhoff Elem.Enrollment path unverified | 5.9 | K–5 | 1.2 mi | 530 | 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.
Assumption Catholic School is listed in O'fallon, MO; verify the current enrollment path directly.
About Assumption Catholic School
Assumption Catholic School is a private elementary school in O'fallon, MO, serving approximately 420 students in grades Pre-K-8th with a 14.4:1 student-teacher ratio. It holds a MySchoolScout rating of 5.6 out of 10 and ranks #298 of 399 private schools in MO.
Frequently asked questions
Common questions about Assumption Catholic School
What grades does Assumption Catholic School serve?
Assumption Catholic School serves students in grades Pre-K through 8th.
How many students attend Assumption Catholic School?
Assumption Catholic School has an enrollment of approximately 420 students.
What is the student-teacher ratio at Assumption Catholic School?
The student-teacher ratio at Assumption Catholic School is 14.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Assumption Catholic School rank in MO?
Assumption Catholic School ranks #298 of 399 private schools in MO.
What is Assumption Catholic School's MySchoolScout rating?
Assumption Catholic School has a current MySchoolScout rating of 5.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Assumption Catholic School a private school?
Yes, Assumption Catholic 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 Assumption Catholic School a religious school?
Assumption Catholic School has a Roman Catholic religious affiliation.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- Pre-K – 8th
- Enrollment
- 420
- Gender Split
- 58% M / 42% F
- Student-Teacher Ratio
- 14.4:1
- Teachers (FTE)
- 29
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 7.4 hours
- Days Per Year
- 186 days
- Setting
- Large Suburb
- County
- St. Charles County
- Phone
- (636) 240-4474
- Area population (ZIP 63366)
- 54,449
- Area average commute
- 24.7 min
- Area median age
- 39.2
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 63366; 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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