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B+

Dardenne Elem.

PublicElementaryGrades K–5

2621 Hwy K, O'Fallon, MO 63368 · (636) 978-4001 · Part of Fort Zumwalt R-II School District

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

Directions
Students
445
Students per teacher
12:1
Free or reduced lunch
46%
Setting
Suburb
Grades
K–5
The gist

What stands out about Dardenne Elem.

  • Its own letter, B+: better results than 73% of Missouri’s public schools
  • Math proficiency 12 pts above the state
  • Reading / language arts 7 pts above the state
  • Small classes: 12 students per teacher
  • Enrollment up 14.4% since 2020–21
  • 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–5Dardenne Elem.You are here
6–84 middle schoolsDepends on your address

Test scores

2020–21
Math proficiency47%
State average 35.3%
Reading / language arts52%
State average 45.2%

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

Location

Directions ↗

2621 Hwy K, O'Fallon

Students

Enrollment by grade
Kindergarten74
Grade 170
Grade 276
Grade 373
Grade 475
Grade 577
Enrollment over time
389’20
425’21
412’22
414’23
445’24

Up 14.4% since 2020–21.

Who goes here
White 59%Hispanic 22%Two or more races 9%Black 5%Asian 4%Native Hawaiian/Pacific Islander 2%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Dardenne 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
Twin Chimneys Elem.
Elementary · Grades K–5 · O'Fallon
A
488 students13:1
Hawthorn Elem.
Elementary · Grades K–5 · St Peters
B+
458 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.