FRONTIER MIDDLE

FRONTIER MIDDLE, a roomy intermediate school in O'FALLON, Missouri, run under WENTZVILLE R-IV, enrolls 1,243 students, covering grades 6 through 8. Enrollment runs roughly 170% above the state mean of about 461.

FRONTIER MIDDLE is one of 22 schools operated by WENTZVILLE R-IV, a district that teaches 18,469 students overall.

On demographics, FRONTIER MIDDLE records that 74% of the student body identifies as White. The remainder breaks down as 7% Black, 7% multiracial, 6% Asian, 6% Hispanic. That is noticeably less White than the county at large, where the share is closer to 84%.

On the income-and-resources front, Staff filings list 86 full-time-equivalent teachers, which works out to roughly 14.5:1 students per teacher. The state averages around 13.0:1, so this campus is higher than the state norm typical. About 12% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

After controlling for student poverty, FRONTIER MIDDLE sits in the top 10% of Missouri schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 51.0%; actual is 74.6%, +23.5 points clear of the demographic baseline.

Across the wider county, St. Charles County reports that median household earnings sit near $104,692, roughly 43% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. FRONTIER MIDDLE is one of 93 public schools in St. Charles County (combined enrollment of about 59,314 students).

DISCOVERY RIDGE ELEMENTARY is the nearest neighboring public school, about 0.3 miles from this campus. 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), FRONTIER MIDDLE ranks 2nd on composite proficiency, ahead of the local average of 53.5%.

The campus sits in a residential setting.

Trend over the last 7 years. Over the past 7-year window, the student count expanded 67%: 744 students in 2018 compared to 1,243 in 2025. Over the same period, the White share ticked down from 82% to 74%.

In the discussion threads here, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.