The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·O FALLON CCSD 90·NCES 172976003767

Marie Schaefer Elem School

505 S Cherry St, O Fallon, IL 62269 · (618) 632-3621 · St. Clair County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL598 STUDENTS
Enrollment
598
Elementary
DISTRICT 506 · STATE 381
Student : Teacher
17.3:1
35 FTE teachers
DISTRICT 17.1:1 · STATE 13.9:1
Free / Reduced Lunch
23%
140 students
DISTRICT 26% · STATE 56%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
30
Kindergarten
81
Grade 1
87
Grade 2
84
Grade 3
96
Grade 4
113
Grade 5
107
Student demographics
White
58%
DISTRICT 62% · STATE 45%
Hispanic
5%
DISTRICT 6% · STATE 29%
Black
23%
DISTRICT 19% · STATE 16%
Asian
3%
DISTRICT 3% · STATE 6%
Two+
10%
DISTRICT 10% · STATE 5%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
55%
Female
45%

Discussions

+ POST

Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
57.6%
IL avg 51.0% . +9.3pp since 2023
Math
56.8%
IL avg 37.9% . +11.5pp since 2023
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
57.5%
composite math + reading, all grades
Predicted
58.0%
based on IL schools with similar FRL share
Beats by
-0.6pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
598
+13 (+2%) vs 2017
Student : Teacher
17.3:1
was 22.3:1
% White
58%
was 67%
% Hispanic
5%
was 4%
% Black
23%
was 22%
% Asian
3%
was 3%
Source: NCES Common Core of Data

About Marie Schaefer Elem School

Marie Schaefer Elem School is a well-populated elementary campus in O Fallon, Illinois, operated by O Fallon CCSD 90. The school serves 598 students in grades pre-K through 5. Enrollment runs roughly 57% bigger than the state mean of about 381.

Across the 7 schools in O Fallon CCSD 90 (3,862 students total), Marie Schaefer Elem School accounts for its share of the district's footprint.

On demographics, Marie Schaefer Elem School shows that 58% of the student body identifies as White. Other groups include 23% Black, 10% multiracial, 5% Hispanic, 3% Asian. Compared to St. Clair County overall, the school's racial mix sits in roughly the same range.

On the resource side, Marie Schaefer Elem School lists 35 full-time-equivalent teachers, putting the student-to-teacher ratio at about 17.3:1. Statewide, the average ratio sits near 13.9:1, putting Marie Schaefer Elem School higher than the state norm the norm. Around 23% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. That share is below St. Clair County's rate of about 54%.

With demographic context factored in, Marie Schaefer Elem School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 58.0%, the actual is 57.5%, a residual of -0.6 points.

In the surrounding community, ACS estimates for St. Clair County put median household income runs about $73,854, roughly 32% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 10%. In all, St. Clair County runs 96 public schools (combined enrollment of about 40,879 students), of which Marie Schaefer Elem School is one.

The closest other public school is O Fallon High School, roughly 0.7 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Marie Schaefer Elem School comes 5th of 9 in the immediate cluster, ahead of the nearby-schools average of 57.0%.

Marie Schaefer Elem School operates from an outer-ring location.

Trend over the last 7 years. Over the past 7-year window, the student count held roughly steady: 585 students in 2018 compared to 598 in 2025. White enrollment moved from 67% to 58% across the same window. Class-load math has fell: from 22.3:1 in 2018 to 17.3:1 in 2025.

Inside the community feed, members of the Marie Schaefer Elem School community share and discuss pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

St. Clair County at a glance

View full county profile
Population
253,694
Census ACS
Median income
$73,854
Household, ACS
Bachelor's+
32%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
96
40,879 students

Quick facts

School name
Marie Schaefer Elem School
District
O Fallon CCSD 90
Address
505 S Cherry St, O Fallon, IL 62269
Phone
(618) 632-3621
County
St. Clair County
Level
Elementary
Grade range
PK–05
Total enrollment
598
Teachers (FTE)
35
Student–teacher ratio
17.3:1
Free/Reduced lunch
140 (23%)
Locale
21-Suburb: Large
NCES ID
172976003767
Charter school
No
Virtual school
No

Related schools

Other schools in O Fallon CCSD 90
Other schools in O Fallon
Nearby schools

Frequently asked questions

About Marie Schaefer Elem School
How many students attend Marie Schaefer Elem School?
Marie Schaefer Elem School enrolls approximately 598 students in grades PK-05.
Is Marie Schaefer Elem School an elementary, middle, or high school?
Marie Schaefer Elem School is an elementary school covering grades PK-05.
What is the student-teacher ratio at Marie Schaefer Elem School?
The student-to-teacher ratio at Marie Schaefer Elem School is approximately 17.3:1 (35 FTE teachers).
How diverse is Marie Schaefer Elem School?
Marie Schaefer Elem School reports a student body of 58% White, 5% Hispanic, 23% Black, 3% Asian, 10% Two or more.
Who oversees Marie Schaefer Elem School?
Marie Schaefer Elem School is overseen by O Fallon CCSD 90 in St. Clair County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post