DUELLO ELEM.

DUELLO ELEM. operates as an expansive elementary-level community in LAKE ST LOUIS, Missouri, part of WENTZVILLE R-IV. Current enrollment sits at 625 students spanning grades K through 5. By comparison, Missouri's public schools average about 315 students each, so DUELLO ELEM. sits 98% larger than that benchmark.

Within WENTZVILLE R-IV, which oversees 22 schools and 18,469 students, DUELLO ELEM. is one campus in the system.

Demographically, DUELLO ELEM. lists that the largest single group is White, at 77% of enrollment. Beyond that, the school logs 7% multiracial, 6% Black, 5% Asian, 4% Hispanic.

On the resource side, On paper, DUELLO ELEM. has 45 full-time-equivalent teachers, translating to a class-load average of around 13.8:1. Statewide, the average ratio sits near 12.4:1, putting DUELLO ELEM. higher than the state norm the norm. About 6% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is noticeably below St. Charles County's rate of about 19%.

With demographic context factored in, DUELLO ELEM. tracks the demographic baseline. The model predicts 51.1% given the school's FRL share; actual proficiency is 40.1%.

In the area at large, ACS estimates for St. Charles County put median household income runs about $104,692, roughly 43% of adults have completed at least a four-year degree, and the poverty rate sits near 4%. In all, St. Charles County runs 93 public schools (combined enrollment of about 59,314 students), of which DUELLO ELEM. is one.

TIMBERLAND HIGH is the nearest neighboring public school, about 1.1 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), DUELLO ELEM. ranks 9th on composite proficiency, below the local average of 63.9%.

Geographically, the school is in a residential area.

Over the past 7-year window. Over the past 7-year window, the student count ticked down 18%: 762 students in 2018 compared to 625 in 2025. White enrollment moved from 86% to 77% across the same window. The student-to-teacher ratio tightened from 15.3:1 in 2018 to 13.8:1 today.

On this page, the feed for DUELLO ELEM. typically covers fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.