Ralston Valley Senior High School
Arvada, CO · High School · Grades 9-12
Ralston Valley Senior High School is a high school in Arvada, CO with 1,843 students enrolled and a 72% proficiency rate. Part of Jefferson County School District No. R-1. NCES data from the U.S. Department of Education.
About This School
Ralston Valley Senior High School is a high school located in Arvada, Colorado. The school serves 1,843 students in grades 9-12. The student-to-teacher ratio is 21.2:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading. The school reports a 91% graduation rate.
11% of students qualify for free or reduced-price lunch.
Ralston Valley Senior High School is part of the Jefferson County School District No. R-1 in Colorado.
How This School Compares
Ralston Valley Senior High School has 1,843 students enrolled, making it larger than the average school in Jefferson County School District No. R-1 (465 students). Its 72% proficiency rate is 18 percentage points above the district average of 54%. Compared to the Colorado state average of 51%, the school performs 21 points higher. The 21.2:1 student-teacher ratio is above the national average of 16:1.
Other Schools in Jefferson County School District No. R-1
Frequently Asked Questions
Ralston Valley Senior High School has 1,843 students enrolled in grades 9-12. The student-to-teacher ratio is 21.2:1.
According to EDFacts data, 72% of students at Ralston Valley Senior High School meet grade-level proficiency standards in combined math and reading assessments.
Ralston Valley Senior High School has a 91% graduation rate, measuring the percentage of students who graduate within four years.
Ralston Valley Senior High School is part of the Jefferson County School District No. R-1 in Arvada, Colorado. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.