A
Twin Chimneys Elem.
PublicElementaryGrades K–5
7396 Twin Chimneys Blvd, O'Fallon, MO 63368 · (636) 240-0093 · Part of Fort Zumwalt R-II School District
Students
488
Students per teacher
13:1
Free or reduced lunch
8%
Setting
Suburb
Grades
K–5
What stands out about Twin Chimneys Elem.
- School Grade A: near the top of Illinois’s public schools
- Math proficiency 25 pts above the state
- Reading / language arts 23 pts above the state
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency60%
State average 35.3%
Reading / language arts68%
State average 45.2%
Location
Directions ↗














7396 Twin Chimneys Blvd, O'Fallon
Students
Enrollment by grade
Kindergarten72
Grade 171
Grade 286
Grade 385
Grade 486
Grade 588
Enrollment over time
491’20
523’21
537’22
510’23
488’24
About steady.
Who goes here
White 68%Asian 15%Two or more races 8%Black 5%Hispanic 3%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Twin Chimneys Elem..
Other schools in Fort Zumwalt R-II School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.