Rock Canyon High School (Ranked Top 5% for 2025-26)

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Rock Canyon High School

5810 Mcarthur Ranch Road
Lone Tree, CO 80124

( shown in map)

10/

Top 5%

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 is 65% (which is higher than the Colorado state average of 33%). The percentage of students achieving 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 (2025-26)

Grades: 9-12
Enrollment: 2,328 students
Student-Teacher Ratio: 21:1
Minority Enrollment: 31%
: 97% (Top 1% in CO)
: Top 5%
: 65% (Top 5%)
: 86% (Top 1%)
: 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:

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)

View Data

Distribution of Students By Grade Trends
Grade	Rock Canyon High School
9	542
10	586
11	592
12	608

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Total Students

2,328 students

View Data

Total Students Trends Over Years (2005-2023)
Year	Rock Canyon High School
2023	2,377
2022	2,376
2021	2,366
2020	2,266
2019	2,266
2018	2,179
2017	2,179
2016	2,071
2015	1,996
2014	1,938
2013	1,785
2012	1,713
2011	1,613
2010	1,465
2009	1,393
2008	1,283
2007	1,129
2006	793
2005	419

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Gender %

Total Classroom Teachers

109 teachers

View Data

Total Classroom Teachers Trends Over Years (2005-2023)
Year	Rock Canyon High School
2023	110
2022	110
2021	114
2020	108
2019	108
2018	99
2017	99
2016	96
2015	95
2014	83
2013	78
2012	74
2011	74
2010	78
2009	78
2008	72
2007	65
2006	48
2005	28

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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 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.

This School

State Level (CO)

#35 out of 1748 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Rock Canyon High School
2023	#35
2022	#25
2021	#30
2019	#23
2018	#57
2017	#463
2016	#328
2015	#1266
2014	#451
2013	#461
2012	#508

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65%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	65%	33%	50%
2022	67%	32%	49%
2021	64%	33%	45%
2019	72%	35%	48%
2018	68%	35%	45%
2017	44%	33%	42%
2016	42%	33%	43%
2015	19%	31%	41%
2014	59%	57%	70%
2013	58%	57%	70%
2012	56%	56%	71%

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86%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2022	86%	45%	62%
2021	87%	47%	62%
2019	87%	47%	59%
2018	75%	44%	45%
2017	54%	42%	50%
2016	57%	40%	49%
2015	22%	40%	50%
2014	90%	69%	81%
2013	89%	70%	82%
2012	88%	70%	82%
2011	97%	89%	95%

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(20-21)

56%

29%

Student-Teacher Ratio

21:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	22:1	16:1	18:1
2022	22:1	15:1	18:1
2021	21:1	15:1	18:1
2020	21:1	16:1	19:1
2019	21:1	16:1	19:1
2018	22:1	17:1	20:1
2017	22:1	17:1	20:1
2016	22:1	17:1	20:1
2015	21:1	17:1	20:1
2014	23:1	17:1	20:1
2013	23:1	17:1	21:1
2012	23:1	17:1	21:1
2011	22:1	17:1	21:1
2010	19:1	16:1	19:1
2009	18:1	16:1	19:1
2008	18:1	16:1	18:1
2007	17:1	17:1	18:1
2006	17:1	16:1	19:1
2005	15:1	17:1	18:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (2004-2006)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2006	1%	1%	1%
2004	1%	1%	1%

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Asian

15%

View Data

Asian Student Percentage Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	14%	3%	7%
2022	12%	3%	7%
2021	10%	3%	6%
2020	9%	3%	6%
2019	9%	3%	6%
2018	9%	3%	5%
2017	9%	3%	5%
2016	8%	3%	4%
2015	7%	3%	5%
2014	7%	3%	4%
2013	7%	3%	4%
2012	7%	3%	4%
2011	6%	3%	5%
2010	5%	4%	5%
2009	4%	4%	5%
2008	4%	3%	5%
2007	3%	3%	5%
2006	2%	3%	4%
2005	3%	3%	4%

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Hispanic

11%

36%

View Data

Hispanic Student Percentage Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	10%	35%	16%
2022	10%	35%	16%
2021	9%	34%	15%
2020	9%	34%	15%
2019	9%	34%	15%
2018	9%	34%	15%
2017	9%	34%	15%
2016	9%	33%	14%
2015	8%	33%	15%
2014	8%	33%	14%
2013	7%	32%	14%
2012	7%	32%	13%
2011	8%	32%	13%
2010	5%	29%	9%
2009	5%	28%	9%
2008	5%	28%	7%
2007	5%	28%	7%
2006	4%	27%	7%
2005	5%	26%	7%

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Black

View Data

Black Student Percentage Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	1%	5%	2%
2022	1%	4%	1%
2021	1%	5%	1%
2020	1%	5%	1%
2019	1%	5%	1%
2014	1%	5%	2%
2013	1%	5%	2%
2012	1%	5%	2%
2011	2%	5%	2%
2010	2%	6%	3%
2009	1%	6%	3%
2008	2%	6%	2%
2007	2%	6%	2%
2006	2%	6%	2%
2005	2%	6%	2%

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White

69%

50%

View Data

White Student Percentage Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	71%	51%	69%
2022	73%	52%	70%
2021	77%	52%	72%
2020	77%	53%	73%
2019	77%	53%	73%
2018	79%	53%	75%
2017	79%	53%	75%
2016	80%	54%	76%
2015	81%	54%	75%
2014	81%	55%	76%
2013	82%	56%	76%
2012	82%	56%	77%
2011	82%	57%	77%
2010	88%	60%	82%
2009	90%	61%	82%
2008	89%	61%	85%
2007	90%	62%	85%
2006	91%	63%	86%
2005	90%	64%	86%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	4%	5%	6%
2022	4%	5%	6%
2021	3%	5%	6%
2020	4%	4%	5%
2019	4%	4%	5%
2018	3%	4%	4%
2017	3%	4%	4%
2016	3%	4%	5%
2015	4%	4%	4%
2014	3%	3%	4%
2013	3%	3%	4%

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All Ethnic Groups

0.49

0.62

View Data

Diversity Score Comparison Over Years (2005-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	0.47	0.62	0.49
2022	0.45	0.61	0.48
2021	0.39	0.61	0.46
2020	0.39	0.60	0.44
2019	0.39	0.60	0.44
2018	0.36	0.60	0.42
2017	0.36	0.60	0.42
2016	0.35	0.60	0.40
2015	0.33	0.60	0.41
2014	0.34	0.59	0.40
2013	0.32	0.59	0.40
2012	0.32	0.59	0.40
2011	0.32	0.58	0.39
2010	0.21	0.55	0.31
2009	0.19	0.55	0.31
2008	0.21	0.55	0.27
2007	0.19	0.54	0.26
2006	0.17	0.53	0.25
2005	0.19	0.52	0.24

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97%

82%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	97%	82%	90%
2022	98%	82%	89%
2021	97%	81%	91%
2020	98%	81%	91%
2019	98%	80%	92%
2018	99%	80%	91%
2017	99%	78%	90%
2016	99%	78%	90%
2015	97%	77%	90%
2014	98%	77%	89%
2013	98%	77%	89%

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Eligible for

39%

View Data

Free Lunch Eligibility Comparison Over Years (2009-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	2%	33%	8%
2022	3%	30%	9%
2021	2%	33%	8%
2020	2%	33%	9%
2019	2%	33%	9%
2018	1%	35%	8%
2017	1%	35%	8%
2016	1%	34%	8%
2015	1%	34%	8%
2014	2%	35%	9%
2013	2%	34%	9%
2012	2%	34%	8%
2011	2%	33%	8%
2010	1%	31%	6%
2009	1%	28%	6%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2009-2023)
Year	Rock Canyon High School	Colorado	Douglas County School District No. Re 1
2023	2%	7%	3%
2022	1%	6%	2%
2021	2%	7%	2%
2020	1%	8%	3%
2019	1%	8%	3%
2018	1%	8%	3%
2017	1%	8%	3%
2016	1%	7%	3%
2014	1%	7%	3%
2013	1%	7%	3%
2012	1%	7%	3%
2010	1%	7%	2%
2009	1%	7%	2%

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School Statewide Testing

School District Name

Douglas County School District No. Re 1

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

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Quick Facts (2025-26)

Grades: 9-12
Enrollment: 2,328 students
Student-Teacher Ratio: 21:1
Minority Enrollment: 31%
: 97% (Top 1%)
: Top 5%
: 65% (Top 5%)
: 86% (Top 1%)
: 56% (Top 5%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education