Ralston Valley Senior High School

Ralston Valley Senior High School is one of the roomy 9-12 campuss in ARVADA, Colorado, run under Jefferson County School District No. R-1, with 1,875 students on its rolls from grades 9 through 12. Enrollment runs roughly 199% bigger than the state mean of about 627.

Within Jefferson County School District No. R-1, which oversees 148 schools and 74,935 students, Ralston Valley Senior High School is one campus in the system.

Looking at the student body, Ralston Valley Senior High School records that 81% of students identify as White, making the school strongly White-majority. Other groups include 12% Hispanic, 3% multiracial, 2% Asian. Compared to Jefferson County overall, the school's racial mix sits in roughly the same range.

On the resource side, Staff filings list 88 full-time-equivalent teachers, which works out to roughly 21.3:1 students per teacher. That figure is higher than the state norm's 16.9:1 average. About 9% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy. Set against Jefferson County (around 32%), the school's rate is south of typical.

On a demographically-adjusted basis, Ralston Valley Senior High School tracks the demographic baseline. The model predicts 61.3% given the school's FRL share; actual proficiency is 50.3%.

In the surrounding 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 Ralston Valley Senior High School is one.

Nearest neighbor: Meiklejohn Elementary, around 0.3 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Ralston Valley Senior High School at 6th of 9; the average score across the group is 53.8%.

Geographically, the school is in a bedroom-community area.

Trend over the last 7 years. Looking back 7 years, enrollment at Ralston Valley Senior High School has remained close to its prior level, going from 1,850 students in 2018 to 1,875 in 2025. The student-to-teacher ratio loosened from 20.3:1 in 2018 to 21.3:1 today.

Inside the community feed, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.