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Average

#298 of 399 private schools in MO

Assumption Catholic School

Elementary School

203 W 3RD ST, O'fallon, MO 63366

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on MO statewide data. Learn more

Enrollment

420

Student-Teacher

14.4:1

Score

5.6

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In O'fallon

#3 of 5

public schools

Missouri elementary schools

#174 of 238

About Assumption Catholic School

Assumption Catholic School is located in O'Fallon, Missouri, a large suburban area known for its family-friendly atmosphere and excellent quality of life. The school serves students from pre-kindergarten through eighth grade, providing a nurturing environment with a student-to-teacher ratio of 14.4:1. With an enrollment of 420 students and 29 full-time equivalent teachers, Assumption Catholic School offers personalized attention to each child's educational needs.

While the school’s MySchoolScout rating is currently at 5.6 out of 10, indicating room for improvement in academic performance, it remains a supportive community focused on student development and growth. Assumption Catholic School aims to provide a well-rounded education that nurtures both academic and spiritual learning, helping students thrive in their educational journey. The school's setting in the heart of O'Fallon offers easy access to local parks, recreational facilities, and cultural amenities, making it an ideal place for families seeking a comprehensive community experience.

What Parents Should Know

As a private school, Assumption Catholic School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Score Breakdown

What 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.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
C+ 3.5 / 10
View breakdown
Student-Teacher Ratio 14.4:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A+ 9.5 / 10
View breakdown
School Day Length 7.4 hours
Annual Instructional Hours 1,376.4
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C+ 3.7 / 10
View breakdown
Diversity Index 4%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.3 / 10
View breakdown
Enrollment 420
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

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 98.1%
Black 0.7%
Hispanic 0.7%
Asian 0.5%

Source: NCES Private School Survey (PSS)

Location

203 W 3RD ST, O'fallon, MO 63366

Nearby Alternatives

Families considering Assumption Catholic School may also want to explore other elementary schools in the area. MOUNT HOPE ELEM. (rated 8.6/10, 2.5 miles away), which scores notably higher. Another option is JOSEPH L. MUDD ELEM. (rated 8.4/10, 0.7 miles away), which scores notably higher. Additionally, PROGRESS SOUTH ELEM. (rated 7.9/10, 2.7 miles away, in nearby St. Peters), which scores notably higher. For more schools in O'fallon, see our O'fallon schools guide .

Nearby Schools

20 within 3.4 mi
School Distance Rating
FT. ZUMWALT NORTH MIDDLE O'Fallon 0.7 mi 7.6
JOSEPH L. MUDD ELEM. O'Fallon 0.7 mi 8.4
FOREST PARK ELEM. O'Fallon 0.8 mi 6.2
FIRST BAPTIST CHRISTIAN ACADEMY O'Fallon 1.0 mi 6.8
WESTHOFF ELEM. O'Fallon 1.2 mi 7.3
ST DOMINIC HIGH SCHOOL O'Fallon 1.2 mi 4.1
ST DOMINIC HIGH SCHOOL O'Fallon 1.2 mi 3.9
ROCK CREEK ELEM. O'Fallon 1.8 mi 5.9
CHRISTIAN SCHOOL DISTRICT O'Fallon 1.7 mi 7.1
FT. ZUMWALT NORTH HIGH O'Fallon 1.9 mi 9.0
FT. ZUMWALT WEST HIGH O'Fallon 2.2 mi 8.5
FT. ZUMWALT SOUTH HIGH St. Peters 2.4 mi 8.4
DARDENNE ELEM. O'Fallon 2.8 mi 7.3
MOUNT HOPE ELEM. O'Fallon 2.5 mi 8.6
FT. ZUMWALT SOUTH MIDDLE St. Peters 2.7 mi 7.0
PROGRESS SOUTH ELEM. St. Peters 2.7 mi 7.9
EARLY CHILDHOOD CENTER St. Peters 2.4 mi 7.4
Boonslick St. Peters 2.8 mi
CHILD OF GOD LUTHERAN SCHOOL St. Peters 2.8 mi 6.8
EMGE ELEM. O'Fallon 3.4 mi 7.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 63366 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$98,237

Median Home Value

$283,900

Median Rent

$1,274/mo

Population

54,449

College Educated

34.3%

Homeownership

81.1%

Avg Commute

24.7 min

Poverty Rate

5.9%

Median Age

39.2

Community Profile

The community surrounding Assumption Catholic School has a median household income of $98,237. It is an area where 34% of adults hold a bachelor's degree or higher. The median home value in the area is $283,900, with a median rent of $1,274/month. The local poverty rate of 5.9% is relatively low. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
ANTONIA ELEM. Imperial, MO 5.6
Academie Lafayette Oak Elem Kansas City, MO 5.6
BOSWELL ELEM. Lebanon, MO 5.6
BUDER ELEM. St. Louis, MO 5.6
BUTLER ELEM. Butler, MO 5.6
FIELD ELEM. St. Joseph, MO 5.6

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 is ranked #298 out of 399 private schools in MO.

What is Assumption Catholic School's MySchoolScout rating?

Assumption Catholic School has a composite rating of 5.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. 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.

11 schools nearby View map →

Neighborhood Context

City Safety
Average (544/100K)

FBI UCR 2024. City-level (O'fallon). Data >1 year old.

Quick Facts NCES 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
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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