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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

O'Fallon’s School Grade A better than 89% of Missouri school districts

Directions
Students
488
Students per teacher
13:1
Free or reduced lunch
8%
Setting
Suburb
Grades
K–5
The gist

What stands out about Twin Chimneys Elem.

  • Its own letter, A: reading and math results near the top of Missouri’s public schools
  • Math proficiency 25 pts above the state
  • Reading / language arts 23 pts above the state
  • Next stop for O'Fallon kids: 4 middle schools

On the path

Where O'Fallon kids come from and go next. The whole path →

K–5Twin Chimneys Elem.You are here
6–84 middle schoolsDepends on your address

Test scores

2020–21
Math proficiency60%
State average 35.3%
Reading / language arts68%
State average 45.2%

Its own letter, A, places these results among Missouri’s 2,023 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 since 2020–21.

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.

Parents talk

Questions and answers about Twin Chimneys Elem. from O'Fallon families.

Other schools in Fort Zumwalt R-II School District

The district →
Early Childhood Center
Prekindergarten · Grades PK · St. Peters
307 students8:1
Progress South Elem.
Elementary · Grades K–5 · St Peters
A
642 students13:1
Westhoff Elem.
Elementary · Grades K–5 · O'Fallon
A−
534 students14:1
Hawthorn Elem.
Elementary · Grades K–5 · St Peters
B+
458 students12:1
Dardenne Elem.
Elementary · Grades K–5 · O'Fallon
B+
445 students12:1
Mid Rivers Elem.
Elementary · Grades K–5 · St Peters
A
444 students12:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Missouri’s other public schools; O'Fallon’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.