DARDENNE ELEM.

DARDENNE ELEM., an average-sized elementary school in O'FALLON, Missouri, part of FORT ZUMWALT SCHOOL DISTRICT, caters to 445 students, covering grades K through 5. Enrollment runs roughly 41% bigger than the state mean of about 315.

FORT ZUMWALT SCHOOL DISTRICT comprises 25 schools with combined enrollment of 16,698 students; DARDENNE ELEM. is among them.

On demographics, DARDENNE ELEM. records that White students make up the majority at 59%. Other groups include 22% Hispanic, 9% multiracial, 5% Black, 4% Asian. The wider county runs roughly 84% White, putting the school's mix considerably less White than the area baseline.

On the resource side, On paper, DARDENNE ELEM. has 39 full-time-equivalent teachers, translating to a class-load average of around 11.6:1. Statewide, the average ratio sits near 12.4:1, putting DARDENNE ELEM. tighter than the state norm the norm. An estimated 46% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably above St. Charles County's rate of about 19%.

On a residual basis (actual vs predicted given the student mix), DARDENNE ELEM. performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 50.4%, the actual is 34.6%, a residual of -15.8 points.

Around the school, community-level numbers for St. Charles County indicate the typical household earns roughly $104,692 per year, roughly 43% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 4%. Across St. Charles County's 93 public schools (combined enrollment of about 59,314 students), DARDENNE ELEM. is one campus in the mix.

Nearest neighbor: EMGE ELEM., around 0.6 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), DARDENNE ELEM. ranks 8th on composite proficiency, below the local average of 53.7%.

The campus sits in a commuter-belt setting.

Trend over the last 7 years. Over the past 7-year window, the student count held roughly steady: 439 students in 2018 compared to 445 in 2025. White enrollment moved from 75% to 59% across the same window. Class-load math has widened: from 10.4:1 in 2018 to 11.6:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.