Very Good
#476 of 2,221 schools in MO
Top 21% in state
Dardenne Elem.
Elementary School · Fort Zumwalt School District · O'fallon, MO
A Fort Zumwalt School District elementary school where students score 4 points below what's typical for similar communities.
2621 HWY K, O'fallon, MO 63368
- Math 39% vs MO 48% (2025)
- Reading 42% vs MO 48% (2025)
- 10.3:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Dardenne Elem. score 41% proficient, which is below what's typical for similar communities (expected: 45%).
2025 MAP proficiency
Most recent published year. School vs. MO average.
Trend
↓ DecliningProficiency has fallen 9 points since 2021, to 41% in 2025, across a 17-year record (2009–2025).
Show all 16 years
Multi-year averages used by the rating model: math 41% (multi-year average, 2009-2025) · reading/ELA 48% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 40 test records from MO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
48.3%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Dardenne Elem. sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the St. Louis map →
Getting around & local context
- Walk 60Somewhat Walkable
- Bike 34Somewhat Bikeable
- City Safety: Average544/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (O'fallon), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$118,811
Median home value
$327,700
Median rent
$1,442/mo
College educated
48.7%
Homeownership
81.4%
Poverty rate
3.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 63368; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Emge Elem.Enrollment path unverified | 9.1 | K–5 | 0.6 mi | 329 | Compare → |
| Ostmann Elem.Enrollment path unverified | 9.3 | K–5 | 1.2 mi | 399 | Compare → |
| BoonslickEnrollment path unverified | Not rated | K–12 | 1.3 mi | 21 | Compare → |
| Progress South Elem.Enrollment path unverified | 7.4 | K–5 | 1.4 mi | 640 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Fort Zumwalt School District
- Schools in district
- 27
- Rank in district
- #15 of 25
- District spending per student
- $13,648NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 5.9%Census SAIPE · 2024
Dardenne Elem. is listed in FORT ZUMWALT SCHOOL DISTRICT; a district label does not verify attendance for an address.
About Dardenne Elem.
Dardenne Elem. is a public elementary school in O'fallon, MO, part of Fort Zumwalt School District, serving approximately 414 students in grades Kindergarten-5th with a 10.3:1 student-teacher ratio. It holds a MySchoolScout rating of 7.6 out of 10 and ranks #476 of 2,221 schools in MO. State assessment records show 41% math proficiency (multi-year average, 2009-2025) and 48% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Dardenne Elem.
What grades does Dardenne Elem. serve?
Dardenne Elem. serves students in grades Kindergarten through 5th.
How many students attend Dardenne Elem.?
Dardenne Elem. has an enrollment of approximately 414 students.
What is the student-teacher ratio at Dardenne Elem.?
The student-teacher ratio at Dardenne Elem. is 10.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Dardenne Elem. rank in MO?
Dardenne Elem. ranks #476 of 2,221 schools in MO.
What is Dardenne Elem.'s MySchoolScout rating?
Dardenne Elem. has a current MySchoolScout rating of 7.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Dardenne Elem.?
Based on loaded state assessment records, Dardenne Elem. has 41% math proficiency (multi-year average, 2009-2025) and 48% reading/ELA proficiency (multi-year average, 2009-2025).
Is Dardenne Elem. a charter school?
No, Dardenne Elem. is not a charter school. It is a traditional public school operated by the local school district.
Is Dardenne Elem. a Title I school?
No, Dardenne Elem. is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Dardenne Elem.?
48.3% of students at Dardenne Elem. qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 5th
- Enrollment
- 414
- Student-Teacher Ratio
- 10.3:1
- Teachers (FTE)
- 40
- Type
- regular
- Setting
- Large Suburb
- County
- St. Charles County
- Chronic Absenteeism (SY 2022-23)
- 16.7%
- Phone
- (636) 978-4001
- Area population (ZIP 63368)
- 45,862
- Area average commute
- 25.8 min
- Area median age
- 38.1
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 63368; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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