Mapleton Expeditionary School of the Arts

Mapleton Expeditionary School of the Arts is one of the small senior highs in THORNTON, Colorado, operated by Mapleton School District No. 1 in the county of Adams & St, with 393 students on its rolls from grades 9 through 12. Enrollment runs roughly 37% below the state mean of about 627.

Across the 20 schools in Mapleton School District No. 1 in the county of Adams & St (7,095 students total), Mapleton Expeditionary School of the Arts accounts for its share of the district's footprint.

On the student-mix side, Mapleton Expeditionary School of the Arts reports that Hispanic students make up the majority at 80%; the rest is composed of 13% White, 3% multiracial, 2% Black. That is considerably more Hispanic than the county at large, where the share is closer to 43%.

In terms of school funding signals, The school currently runs with 23 full-time-equivalent teachers, for a student-teacher ratio near 16.9:1. The state averages about 16.9:1, putting this campus right in line with peers. Around 69% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, Mapleton Expeditionary School of the Arts tracks the demographic baseline. The model predicts 24.8% given the school's FRL share; actual proficiency is 13.8%.

In the area at large, ACS estimates for Adams County put the typical household earns roughly $94,571 per year, 29% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. In all, Adams County runs 171 public schools (combined enrollment of about 87,938 students), of which Mapleton Expeditionary School of the Arts is one.

The closest other public school is Mapleton Early Career Preparation, roughly 0.0 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Mapleton Expeditionary School of the Arts ranks 5th on composite proficiency, behind the local average of 18.8%.

The school occupies an outer-ring site.

Looking at the recent track record. Looking back 7 years, enrollment at Mapleton Expeditionary School of the Arts has decreased 42%, going from 677 students in 2018 to 393 in 2025. The White share of enrollment fell from 21% to 13% over that span. The student-to-teacher ratio tightened from 21.8:1 in 2018 to 16.9:1 today.

In the discussion threads here, members of the Mapleton Expeditionary School of the Arts community share and discuss classroom updates, athletics, and weather closures. The community welcomes input from current and former families.