LONE DELL ELEM.

LONE DELL ELEM. is a moderately sized elementary school in ARNOLD, Missouri, run under FOX C-6. The school educates 381 students in grades K through 5. Enrollment runs roughly 21% above the state mean of about 315.

FOX C-6 comprises 18 schools with combined enrollment of 10,258 students; LONE DELL ELEM. is among them.

For racial and ethnic makeup, LONE DELL ELEM. lists that 86% of students identify as White, making the school strongly White-majority. The remainder is composed of 7% Hispanic, 4% multiracial. That composition is broadly in line with Jefferson County as a whole.

In terms of school funding signals, Staff filings list 34 full-time-equivalent teachers, which works out to roughly 11.2:1 students per teacher. The state averages around 12.4:1, so this campus is tighter than the state norm typical. About 39% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

Adjusting for the school's free-and-reduced-lunch share, LONE DELL ELEM. tracks the demographic baseline. The model predicts 50.5% given the school's FRL share; actual proficiency is 35.9%.

Across the wider county, the surrounding county (Jefferson County) shows that median household income runs about $82,851, roughly 25% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. In all, Jefferson County runs 69 public schools (combined enrollment of about 36,216 students), of which LONE DELL ELEM. is one.

The closest other public school is SHERWOOD ELEM., roughly 1.1 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts LONE DELL ELEM. at 8th of 9; the average score across the group is 52.7%.

The campus sits in a suburban setting.

Over the past 7-year window. Over the past 7-year window, the student count fell 16%: 454 students in 2018 compared to 381 in 2025. Over the same period, the White share shrank from 92% to 86%. Class-load math has tightened: from 12.7:1 in 2018 to 11.2:1 in 2025.

On this page, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.