Rock Canyon High School is a public high school in Highlands Ranch, Colorado. It is part of Douglas County School District RE-1.
Serving 2,328 students in grades 9-12, Rock Canyon High School ranks in the top 5% of all schools in Colorado for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 65% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 86% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 21:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 31% of the student body (majority Asian), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,328 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 31%
- Graduation Rate: 97% (Top 1% in CO)
- Overall Testing Rank: Top 5%
- Math Proficiency: 65% (Top 5%)
- Reading Proficiency: 86% (Top 1%)
- Science Proficiency: 56% (Top 5%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Rock Canyon High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Rock Canyon High School's student population of 2,328 students has stayed relatively flat over five school years.
The teacher population of 109 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,328 students
Gender %
Total Classroom Teachers
109 teachers
Year Founded
2003
Colors
Black, Gold
Last Day of School
Mon. May 25, 2026
School Rankings
Rock Canyon High School ranks within the top 5% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Rock Canyon High School is 0.49, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#35 out of 1748 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
65%
33%
Reading/Language Arts Test Scores (% Proficient)
86%
45%
Science Test Scores (% Proficient)
(20-21)56%
29%
Student-Teacher Ratio
21:1
15:1
American Indian
n/a
1%
Asian
15%
3%
Hispanic
11%
36%
Black
1%
5%
White
69%
50%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
97%
82%
Eligible for Free Lunch
5%
39%
Eligible for Reduced Lunch
1%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Rock Canyon High School's ranking?
Rock Canyon High School is ranked #35 out of 1,748 schools, which ranks it among the top 5% of public schools in Colorado.
What schools are Rock Canyon High School often compared to?
Rock Canyon High Schoolis often viewed alongside schools like Mountain Vista High School, Stem School Highlands Ranch by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65% of students have achieved math proficiency (compared to the 33% CO state average), while 86% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Rock Canyon High School?
The graduation rate of Rock Canyon High School is 97%, which is higher than the Colorado state average of 82%.
How many students attend Rock Canyon High School?
2,328 students attend Rock Canyon High School.
What is the racial composition of the student body?
69% of Rock Canyon High School students are White, 15% of students are Asian, 11% of students are Hispanic, 4% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Rock Canyon High School?
Rock Canyon High School has a student ration of 21:1, which is higher than the Colorado state average of 15:1.
What grades does Rock Canyon High School offer ?
Rock Canyon High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Rock Canyon High School part of?
Rock Canyon High School is part of Douglas County School District No. Re 1.
In what neighborhood is Rock Canyon High School located?
Rock Canyon High School is located in the Southridge neighborhood of Lone Tree, CO. There are 2 other public schools located in Southridge.
School Reviews
Review Rock Canyon High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Back-to-School Tech & Online Learning Readiness Checklist
A 2026 guide to back-to-school tech & online learning readiness, helping families prepare devices, connectivity, skills, and safety.
How Public Schools Prepare for College in High School
Learn how public schools prepare for college and what parents should look for as students begin high school. Updated for 2026.
School Choice in 2026: What Parents Must Know
Explore how school choice is reshaping U.S. education in 2026, with updated trends, enrollment data, costs, policies, and practical guidance for parents.
