Jefferson County Open Secondary

Jefferson County Open Secondary is one of the compact secondary schools in LAKEWOOD, Colorado, part of Jefferson County School District No. R-1, with 315 students on its rolls from grades 7 through 12. Compared to the state average of about 627 students per school, that is 50% leaner than typical.

Jefferson County School District No. R-1 comprises 148 schools with combined enrollment of 74,935 students; Jefferson County Open Secondary is among them.

Demographically, Jefferson County Open Secondary lists that 73% of the student body identifies as White. Other groups include 17% Hispanic, 8% multiracial.

On the resource side, On paper, Jefferson County Open Secondary has 21 full-time-equivalent teachers, translating to a class-load average of around 15.0:1. Statewide, the average ratio sits near 16.9:1, putting Jefferson County Open Secondary tighter than the state norm the norm.

In the broader community, ACS estimates for Jefferson County put median household earnings sit near $110,656, 52% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. In all, Jefferson County runs 168 public schools (combined enrollment of about 74,739 students), of which Jefferson County Open Secondary is one.

Nearest neighbor: Jefferson County Open Elementary School, around 0.0 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius.

Geographically, the school is in a commuter-belt area.

Looking at the recent track record. Looking back 7 years, enrollment at Jefferson County Open Secondary has remained close to its prior level, going from 318 students in 2018 to 315 in 2025. The White share of enrollment shrank from 79% to 73% over that span.

On allk12, the feed for Jefferson County Open Secondary typically covers pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.