Frederick Senior High School

Set in FREDERICK, Colorado, Frederick Senior High School is an expansive four-year high school, part of St. Vrain Valley School District No. Re1J. It hosts 1,491 students across grades 9 through 12. Enrollment runs roughly 138% larger than the state mean of about 627.

St. Vrain Valley School District No. Re1J runs 54 schools in total, collectively educating 31,607 students. Frederick Senior High School is one of those campuses.

For racial and ethnic makeup, Frederick Senior High School logs that the largest single group is White at 54%, but no single group is in the majority; the rest breaks down as 39% Hispanic, 3% multiracial. The wider county runs roughly 73% White, putting the school's mix meaningfully less White than the area baseline.

Looking at the economic backdrop, On paper, Frederick Senior High School has 67 full-time-equivalent teachers, translating to a class-load average of around 22.4:1. Statewide, the average ratio sits near 16.9:1, putting Frederick Senior High School higher than the state norm the norm. Roughly 41% of students at Frederick Senior High School qualify for free or reduced-price lunch, often used as a Title I proxy.

With demographic context factored in, Frederick Senior High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 42.1%, the actual is 31.9%, a residual of -10.2 points.

In the area at large, the surrounding county (Weld County) logs that the typical household earns roughly $97,097 per year, 33% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 7%. Frederick Senior High School is one of 116 public schools in Weld County (combined enrollment of about 61,274 students).

Spark! Discovery Preschool is the nearest neighboring public school, about 0.8 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Frederick Senior High School comes 6th of 8 in the immediate cluster, beneath the nearby-schools average of 39.4%.

The campus sits in a low-density setting.

Trend over the last 7 years. Looking back 7 years, enrollment at Frederick Senior High School has expanded 46%, going from 1,020 students in 2018 to 1,491 in 2025. The White share of enrollment declined from 65% to 54% over that span. Class-load math has grew: from 21.3:1 in 2018 to 22.4:1 in 2025.

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