Green Mountain High School (Ranked Top 10% for 2025)

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Green Mountain High School

13175 W Green Mountain Drive
Denver, CO 80228

( shown in map)

10/

Top 10%

Green Mountain High School is a public high school in the western part of the city of Lakewood in Jefferson County, Colorado, United States. It is administered by Jefferson County Public Schools.

Serving 1,081 students in grades 9-12, Green Mountain High School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).

The percentage of students achieving is 54% (which is higher than the Colorado state average of 33%). The percentage of students achieving is 75% (which is higher than the Colorado state average of 45%).

The student:teacher ratio of 19:1 is higher than the Colorado state level of 15:1.

Minority enrollment is 28% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).

Quick Stats (2025)

Grades: 9-12
Enrollment: 1,081 students
Student:Teacher Ratio: 19:1
Minority Enrollment: 28%
: 96% (Top 5% in CO)
: Top 10%
: 54% (Top 20%)
: 75% (Top 10%)
: 32% (Top 50%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Green Mountain High School ranks among the top 20% of public schools in Colorado for:

School Overview

Green Mountain High School's student population of 1,081 students has stayed relatively flat over five school years.

The teacher population of 56 teachers has declined by 5% over five school years.

Grades Offered

Grades 9-12
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Green Mountain High School
9	253
10	281
11	279
12	268

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Total Students

1,081 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Green Mountain High School
2023	1,085
2022	1,081
2021	1,142
2020	1,106
2019	1,106
2018	1,142
2017	1,142
2016	1,126
2015	1,116
2014	1,101
2013	1,104
2012	1,165
2011	1,251
2010	1,351
2009	1,465
2008	1,585
2007	1,602
2006	1,616
2005	1,578
2004	1,617
2003	1,628
2002	1,583
2001	1,595
2000	1,639
1999	1,553
1998	1,519
1997	1,500
1996	1,492
1995	1,526
1994	1,527
1993	1,524
1992	1,506
1991	1,475
1990	1,498
1989	1,568
1988	1,727
1987	1,788

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Gender %

Total Classroom Teachers

56 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Green Mountain High School
2023	58
2022	55
2021	54
2020	59
2019	59
2018	60
2017	60
2016	59
2015	56
2014	66
2013	70
2012	61
2011	66
2010	71
2009	78
2008	79
2007	79
2006	79
2005	75
2004	76
2003	81
2002	77
2001	76
2000	76
1999	74
1998	71
1997	69
1996	72
1995	73
1994	73
1993	74
1992	68
1991	69
1990	71
1989	76
1988	81
1987	79

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Year Founded

1973

School Calendar

School Rankings

Green Mountain High School ranks within the top 10% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).

The of Green Mountain High School is 0.45, 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)

#142 out of 1748 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Green Mountain High School
2023	#142
2022	#138
2021	#292
2019	#258
2018	#267
2017	#598
2016	#790
2015	#399
2014	#904
2013	#1055
2012	#1142

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54%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	54%	33%	40%
2022	53%	32%	38%
2021	39%	33%	36%
2019	49%	35%	41%
2018	52%	35%	42%
2017	39%	33%	40%
2016	44%	33%	40%
2015	41%	31%	39%
2014	46%	57%	63%
2013	40%	57%	63%
2012	37%	56%	62%

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75%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2022	75%	45%	52%
2021	69%	47%	53%
2019	71%	47%	54%
2018	61%	44%	42%
2017	49%	42%	49%
2016	30%	40%	46%
2015	54%	40%	49%
2014	76%	69%	76%
2013	74%	70%	77%
2012	70%	70%	76%
2011	95%	89%	94%

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(20-21)

32%

29%

Student : Teacher Ratio

19:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	19:1	16:1	16:1
2022	20:1	15:1	16:1
2021	21:1	15:1	17:1
2020	19:1	16:1	18:1
2019	19:1	16:1	18:1
2018	19:1	17:1	18:1
2017	19:1	17:1	18:1
2016	19:1	17:1	18:1
2015	20:1	17:1	18:1
2014	17:1	17:1	18:1
2013	16:1	17:1	18:1
2012	19:1	17:1	18:1
2011	19:1	17:1	18:1
2010	19:1	16:1	18:1
2009	19:1	16:1	17:1
2008	20:1	16:1	18:1
2007	20:1	17:1	18:1
2006	20:1	16:1	18:1
2005	21:1	17:1	19:1
2004	21:1	16:1	19:1
2003	20:1	16:1	18:1
2002	21:1	17:1	19:1
2001	21:1	17:1	20:1
2000	22:1	17:1	21:1
1999	21:1	17:1	21:1
1998	21:1	18:1	21:1
1997	22:1	18:1	21:1
1996	21:1	18:1	21:1
1995	21:1	18:1	21:1
1994	21:1	18:1	22:1
1993	20:1	18:1	21:1
1992	22:1	18:1	21:1
1991	22:1	18:1	21:1
1990	21:1	18:1	21:1
1989	21:1	18:1	21:1
1988	21:1	18:1	21:1
1987	23:1	19:1	23:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1994-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	1%	1%
2020	1%	1%	2%
2019	1%	1%	2%
2018	1%	1%
2017	1%	1%
2014	1%	1%	1%
2013	1%	1%	1%
2012	1%	1%	1%
2011	1%	1%	2%
2010	2%	1%	2%
2009	1%	1%	1%
2008	1%	2%	1%
2007	2%	1%	1%
2006	1%	1%	1%
2005	1%	1%	1%
2004	1%	1%	1%
2003	1%	1%	1%
2002	1%	1%	1%
1994	1%	1%	1%

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Asian

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	3%	3%	4%
2022	3%	3%	3%
2021	4%	3%	3%
2020	4%	3%	3%
2019	4%	3%	3%
2018	4%	3%	3%
2017	4%	3%	3%
2016	2%	3%	3%
2015	3%	3%	4%
2014	3%	3%	3%
2013	3%	3%	3%
2012	3%	3%	3%
2011	3%	3%	3%
2010	4%	4%	4%
2009	3%	4%	4%
2008	4%	3%	4%
2007	4%	3%	4%
2006	4%	3%	4%
2005	4%	3%	4%
2004	4%	3%	4%
2003	4%	3%	4%
2002	4%	3%	3%
2001	5%	3%	3%
2000	5%	3%	3%
1999	5%	3%	3%
1998	4%	3%	3%
1997	4%	3%	3%
1996	4%	3%	3%
1995	3%	3%	3%
1994	2%	2%	3%
1993	2%	2%	3%
1992	2%	2%	3%
1991	3%	2%	3%

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Hispanic

19%

36%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	18%	35%	26%
2022	18%	35%	25%
2021	18%	34%	25%
2020	17%	34%	23%
2019	17%	34%	23%
2018	17%	34%	25%
2017	17%	34%	25%
2016	15%	33%	25%
2015	17%	33%	26%
2014	17%	33%	24%
2013	18%	32%	24%
2012	16%	32%	24%
2011	16%	32%	23%
2010	12%	29%	19%
2009	12%	28%	19%
2008	12%	28%	19%
2007	10%	28%	18%
2006	11%	27%	17%
2005	10%	26%	16%
2004	9%	25%	15%
2003	9%	24%	14%
2002	8%	23%	13%
2001	7%	22%	12%
2000	7%	21%	11%
1999	7%	20%	10%
1998	7%	19%	10%
1997	7%	19%	9%
1996	7%	18%	9%
1995	7%	18%	8%
1994	7%	17%	8%
1993	6%	17%	8%
1992	5%	17%	8%
1991	5%	16%	7%

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Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	1%	5%	1%
2022	2%	4%	1%
2021	2%	5%	1%
2020	2%	5%	1%
2019	2%	5%	1%
2018	1%	5%	1%
2017	1%	5%	1%
2016	1%	5%	1%
2015	1%	5%	1%
2014	1%	5%	1%
2013	1%	5%	1%
2012	1%	5%	1%
2011	1%	5%	1%
2010	2%	6%	2%
2009	2%	6%	2%
2008	2%	6%	2%
2007	2%	6%	2%
2006	2%	6%	2%
2005	2%	6%	2%
2004	1%	6%	2%
2003	1%	6%	2%
2002	1%	6%	2%
2001	1%	6%	1%
2000	1%	5%	1%
1999	1%	5%	1%
1998	1%	5%	1%
1997	1%	5%	1%
1996	1%	5%	1%
1995	1%	4%	1%
1994	1%	5%	1%
1993	1%	5%	1%
1992	1%	5%	1%
1991	1%	5%	1%

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White

72%

50%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	73%	51%	65%
2022	73%	52%	66%
2021	70%	52%	66%
2020	72%	53%	67%
2019	72%	53%	67%
2018	74%	53%	67%
2017	74%	53%	67%
2016	78%	54%	68%
2015	76%	54%	66%
2014	75%	55%	68%
2013	75%	56%	68%
2012	75%	56%	68%
2011	76%	57%	68%
2010	80%	60%	73%
2009	82%	61%	74%
2008	81%	61%	74%
2007	82%	62%	75%
2006	82%	63%	76%
2005	83%	64%	77%
2004	84%	65%	78%
2003	85%	66%	79%
2002	86%	67%	81%
2001	87%	68%	82%
2000	87%	70%	84%
1999	87%	71%	85%
1998	88%	72%	85%
1997	88%	72%	86%
1996	88%	73%	86%
1995	89%	74%	87%
1994	89%	75%	87%
1993	91%	75%	87%
1992	92%	75%	87%
1991	91%	76%	88%

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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	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	4%	5%	4%
2022	4%	5%	4%
2021	6%	5%	4%
2020	4%	4%	4%
2019	4%	4%	4%
2018	3%	4%	4%
2017	3%	4%	4%
2016	4%	4%	3%
2015	3%	4%	3%
2014	3%	3%	3%
2013	2%	3%	3%

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All Ethnic Groups

0.45

0.62

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	0.44	0.62	0.51
2022	0.44	0.61	0.51
2021	0.48	0.61	0.51
2020	0.45	0.60	0.49
2019	0.45	0.60	0.49
2018	0.43	0.60	0.49
2017	0.43	0.60	0.49
2016	0.37	0.60	0.48
2015	0.40	0.60	0.49
2014	0.41	0.59	0.49
2013	0.41	0.59	0.49
2012	0.41	0.59	0.49
2011	0.40	0.58	0.48
2010	0.34	0.55	0.43
2009	0.31	0.55	0.42
2008	0.32	0.55	0.42
2007	0.32	0.54	0.40
2006	0.31	0.53	0.39
2005	0.30	0.52	0.38
2004	0.29	0.52	0.37
2003	0.27	0.51	0.35
2002	0.25	0.50	0.33
2001	0.24	0.49	0.31
2000	0.24	0.47	0.29
1999	0.24	0.46	0.27
1998	0.22	0.46	0.26
1997	0.22	0.45	0.25
1996	0.22	0.45	0.24
1995	0.20	0.43	0.23
1994	0.20	0.41	0.22
1993	0.17	0.41	0.22
1992	0.15	0.40	0.22
1991	0.17	0.40	0.21

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96%

82%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	96%	82%	87%
2022	92%	82%	85%
2021	94%	81%	86%
2020	97%	81%	85%
2019	97%	80%	85%
2018	93%	80%	85%
2017	93%	78%	83%
2016	93%	78%	83%
2015	92%	77%	83%
2014	90%	77%	83%
2013	92%	77%	81%

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Eligible for

21%

39%

View Data

Free Lunch Eligibility Comparison Over Years (1993-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	21%	33%	26%
2022	14%	30%	23%
2021	17%	33%	25%
2020	16%	33%	24%
2019	16%	33%	24%
2018	21%	35%	25%
2017	21%	35%	25%
2016	18%	34%	23%
2015	17%	34%	24%
2014	19%	35%	25%
2013	19%	34%	26%
2012	16%	34%	25%
2011	15%	33%	25%
2010	12%	31%	23%
2009	7%	28%	19%
2008	9%	28%	19%
2007	10%	27%	19%
2006	10%	27%	19%
2005	7%	25%	15%
2004	6%	24%	13%
2003	6%	22%	11%
2002	3%	21%	10%
2001	4%	20%	9%
2000	3%	21%	10%
1999	4%	21%	10%
1998	4%	22%	10%
1997	3%	22%	10%
1996	4%	22%	10%
1995	5%	22%	10%
1994	4%	21%	10%
1993	3%	20%	9%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2023)
Year	Green Mountain High School	Colorado	Jefferson County School District No. R-1
2023	6%	7%	7%
2022	6%	6%	6%
2021	6%	7%	6%
2020	8%	8%	7%
2019	8%	8%	7%
2018	7%	8%	7%
2017	7%	8%	7%
2016	6%	7%	6%
2015	6%	7%	6%
2014	6%	7%	7%
2013	5%	7%	7%
2012	6%	7%	7%
2011	4%	7%	5%
2010	4%	7%	6%
2009	3%	7%	6%
2008	4%	7%	6%
2007	3%	7%	5%
2006	3%	6%	5%
2005	3%	6%	5%
2004	4%	6%	5%
2003	3%	7%	5%

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School Statewide Testing

School District Name

Jefferson County School District No. R-1

Source: National Center for Education Statistics (NCES), CO Dept. of Education

School Notes

School Mascot: Ram

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Green Mountain High School's ranking?

Green Mountain High School is ranked #142 out of 1,748 schools, which ranks it among the top 10% of public schools in Colorado.

What schools are Green Mountain High School often compared to?

Green Mountain High Schoolis often viewed alongside schools like Lakewood High School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

54% of students have achieved math proficiency (compared to the 33% CO state average), while 75% of students have achieved reading proficiency (compared to the 45% CO state average).

What is the graduation rate of Green Mountain High School?

The graduation rate of Green Mountain High School is 96%, which is higher than the Colorado state average of 82%.

How many students attend Green Mountain High School?

1,081 students attend Green Mountain High School.

What is the racial composition of the student body?

72% of Green Mountain High School students are White, 19% of students are Hispanic, 5% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.

What is the student:teacher ratio of Green Mountain High School?

Green Mountain High School has a student ration of 19:1, which is higher than the Colorado state average of 15:1.

What grades does Green Mountain High School offer ?

Green Mountain High School offers enrollment in grades 9-12 (No virtual instruction).

What school district is Green Mountain High School part of?

Green Mountain High School is part of Jefferson County School District No. R-1.

In what neighborhood is Green Mountain High School located?

Green Mountain High School is located in the Green Mountain neighborhood of Denver, CO. There are 4 other public schools located in Green Mountain.

School Reviews

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Quick Stats (2025)

Grades: 9-12
Enrollment: 1,081 students
Student:Teacher Ratio: 19:1
Minority Enrollment: 28%
: 96% (Top 5%)
: Top 10%
: 54% (Top 20%)
: 75% (Top 10%)
: 32% (Top 50%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education