Douglas County High School

Douglas County High School is a high school of high-enrollment scale in CASTLE ROCK, Colorado, part of Douglas County School District No. Re 1, teacheing 1,659 students in grades 9 through 12. Enrollment runs roughly 165% above the state mean of about 627.

Douglas County School District No. Re 1 comprises 89 schools with combined enrollment of 61,550 students; Douglas County High School is among them.

On the student-mix side, Douglas County High School logs that the largest single group is White, at 68% of enrollment. Beyond that, the school reports 21% Hispanic, 5% multiracial, 3% Asian. The wider county runs roughly 80% White, putting the school's mix noticeably less White than the area baseline.

On the resource side, Douglas County High School records 86 full-time-equivalent teachers, putting the student-to-teacher ratio at about 19.3:1. Statewide, the average ratio sits near 16.9:1, putting Douglas County High School higher than the state norm the norm. Around 24% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy.

On a residual basis (actual vs predicted given the student mix), Douglas County High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 52.3%; this one delivers 42.2%.

Zooming out to the county, the surrounding county (Douglas County) shows that median household income runs about $149,594, roughly 62% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 3%. In all, Douglas County runs 92 public schools (combined enrollment of about 63,841 students), of which Douglas County High School is one.

The closest other public school is Castle Rock Elementary School, roughly 0.7 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Douglas County High School comes 7th of 8 in the immediate cluster, behind the nearby-schools average of 51.5%.

The school occupies a suburban site.

Trend over the last 7 years. Over the past 7-year window, the student count declined 11%: 1,859 students in 2018 compared to 1,659 in 2025. The White share of enrollment declined from 76% to 68% over that span.

On allk12, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.