Boulder Prep Charter High School (2025-26 Ranking)

5075 Chaparral Court #1
Boulder, CO 80301

Boulder Prep Charter High School serves 115 students in grades 9-12.

The student-teacher ratio of 10:1 is lower than the Colorado state level of 15:1.

Minority enrollment is 44% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).

Quick Facts (2025-26)

School Type: Alternative school / Charter School
Grades: 9-12
Enrollment: 115 students
Student-Teacher Ratio: 10:1
Minority Enrollment: 44%
: 21-39% (Btm 50% in CO)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Boulder Prep Charter High School ranks among the top 20% of public schools in Colorado for:

School Overview

Boulder Prep Charter High School's student population of 115 students has grown by 5% over five school years.

The teacher population of 11 teachers has grown by 10% over five school years.

School Type

Alternative school / Charter School

Grades Offered

Grades 9-12
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Boulder Prep Charter High School
9	7
10	23
11	32
12	53

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Total Students

115 students

View Data

Total Students Trends Over Years (1999-2023)
Year	Boulder Prep Charter High School
2023	119
2022	107
2021	106
2020	109
2019	109
2018	117
2017	117
2016	122
2015	101
2014	113
2013	123
2012	126
2011	152
2010	158
2009	131
2008	156
2007	127
2006	74
2005	91
2004	91
2003	93
2002	79
2001	54
2000	41
1999	34

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Gender %

Total Classroom Teachers

11 teachers

View Data

Total Classroom Teachers Trends Over Years (2003-2023)
Year	Boulder Prep Charter High School
2023	13
2022	13
2021	8
2020	10
2019	10
2018	8
2017	8
2016	7
2015	6
2014	10
2013	8
2012	9
2011	8
2010	7
2009	10
2008	14
2007	11
2006	5
2005	6
2004	6
2003	9

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School Calendar

School Rankings

The of Boulder Prep Charter High School is 0.57, 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)

Student-Teacher Ratio

10:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (2003-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	9:1	16:1	17:1
2022	8:1	15:1	17:1
2021	13:1	15:1	17:1
2020	11:1	16:1	18:1
2019	11:1	16:1	18:1
2018	15:1	17:1	18:1
2017	15:1	17:1	18:1
2016	17:1	17:1	19:1
2015	17:1	17:1	19:1
2014	12:1	17:1	18:1
2013	15:1	17:1	18:1
2012	15:1	17:1	17:1
2011	18:1	17:1	18:1
2010	21:1	16:1	17:1
2009	13:1	16:1	17:1
2008	11:1	16:1	17:1
2007	12:1	17:1	17:1
2006	15:1	16:1	17:1
2005	15:1	17:1	17:1
2004	15:1	16:1	17:1
2003	10:1	16:1	17:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (2001-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	1%	1%
2022	1%	1%
2021	1%	1%
2020	1%	1%
2019	1%	1%
2016	1%	1%
2015	2%	1%
2014	3%	1%
2013	6%	1%
2012	6%	1%
2011	4%	1%	1%
2010	15%	1%	1%
2009	5%	1%	1%
2008	3%	2%	1%
2007	2%	1%	1%
2006	2%	1%	1%
2005	1%	1%	1%
2004	1%	1%	1%
2003	2%	1%	1%
2002	3%	1%	1%
2001	2%	1%	1%

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Asian

n/a

View Data

Asian Student Percentage Comparison Over Years (1999-2022)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2022	1%	3%	6%
2021	1%	3%	6%
2020	1%	3%	6%
2019	1%	3%	6%
2018	1%	3%	6%
2017	1%	3%	6%
2016	4%	3%	6%
2012	1%	3%	6%
2011	1%	3%	6%
2010	3%	4%	7%
2009	5%	4%	7%
2008	3%	3%	7%
2007	2%	3%	7%
2006	2%	3%	6%
2005	1%	3%	6%
2003	3%	3%	6%
2002	1%	3%	5%
2001	2%	3%	5%
1999	3%	3%	5%

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Hispanic

35%

36%

View Data

Hispanic Student Percentage Comparison Over Years (1999-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	35%	35%	20%
2022	32%	35%	20%
2021	26%	34%	20%
2020	16%	34%	19%
2019	16%	34%	19%
2018	19%	34%	20%
2017	19%	34%	20%
2016	24%	33%	19%
2015	35%	33%	18%
2014	42%	33%	18%
2013	41%	32%	17%
2012	42%	32%	17%
2011	43%	32%	17%
2010	39%	29%	15%
2009	38%	28%	15%
2008	46%	28%	15%
2007	49%	28%	14%
2006	62%	27%	14%
2005	44%	26%	13%
2004	52%	25%	13%
2003	38%	24%	13%
2002	33%	23%	13%
2001	39%	22%	12%
2000	29%	21%	11%
1999	41%	20%	10%

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Black

View Data

Black Student Percentage Comparison Over Years (1999-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	2%	5%	1%
2022	1%	4%	1%
2021	2%	5%	1%
2016	2%	5%	1%
2015	2%	5%	1%
2014	3%	5%	1%
2013	2%	5%	1%
2012	2%	5%	1%
2011	1%	5%	1%
2010	3%	6%	2%
2009	5%	6%	1%
2008	2%	6%	1%
2007	2%	6%	2%
2006	6%	6%	2%
2005	3%	6%	2%
2004	8%	6%	2%
2003	9%	6%	2%
2002	5%	6%	2%
2001	4%	6%	2%
2000	10%	5%	2%
1999	6%	5%	2%

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White

56%

50%

View Data

White Student Percentage Comparison Over Years (1999-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	58%	51%	66%
2022	58%	52%	67%
2021	61%	52%	67%
2020	71%	53%	68%
2019	71%	53%	68%
2018	72%	53%	69%
2017	72%	53%	69%
2016	61%	54%	69%
2015	59%	54%	69%
2014	50%	55%	70%
2013	47%	56%	70%
2012	42%	56%	71%
2011	43%	57%	71%
2010	40%	60%	75%
2009	47%	61%	76%
2008	46%	61%	76%
2007	45%	62%	76%
2006	60%	63%	77%
2005	51%	64%	78%
2004	39%	65%	78%
2003	48%	66%	78%
2002	58%	67%	79%
2001	53%	68%	80%
2000	61%	70%	81%
1999	44%	71%	82%

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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	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	3%	5%	6%
2022	6%	5%	6%
2021	9%	5%	6%
2020	10%	4%	6%
2019	10%	4%	6%
2018	6%	4%	5%
2017	6%	4%	5%
2016	8%	4%	5%
2015	2%	4%	5%
2014	2%	3%	5%
2013	3%	3%	5%

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All Ethnic Groups

0.57

0.62

View Data

Diversity Score Comparison Over Years (1999-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	0.55	0.62	0.52
2022	0.56	0.61	0.51
2021	0.56	0.61	0.51
2020	0.46	0.60	0.50
2019	0.46	0.60	0.50
2018	0.45	0.60	0.48
2017	0.45	0.60	0.48
2016	0.57	0.60	0.48
2015	0.53	0.60	0.47
2014	0.60	0.59	0.47
2013	0.61	0.59	0.47
2012	0.65	0.59	0.47
2011	0.63	0.58	0.47
2010	0.67	0.55	0.41
2009	0.63	0.55	0.40
2008	0.58	0.55	0.39
2007	0.56	0.54	0.39
2006	0.62	0.53	0.37
2005	0.55	0.52	0.37
2004	0.58	0.52	0.36
2003	0.62	0.51	0.36
2002	0.56	0.50	0.36
2001	0.57	0.49	0.34
2000	0.54	0.47	0.32
1999	0.64	0.46	0.31

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21-39%

82%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	30%	82%	91%
2022	54%	82%	92%
2021	34%	81%	92%
2020	37%	81%	91%
2019	30%	80%	91%
2018	44%	80%	92%
2017	37%	78%	91%
2016	24%	78%	92%
2015	34%	77%	92%
2014	24%	77%	92%
2013	24%	77%	91%

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Eligible for

20%

39%

View Data

Free Lunch Eligibility Comparison Over Years (1999-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	19%	33%	21%
2022	21%	30%	17%
2021	22%	33%	17%
2020	33%	33%	18%
2019	33%	33%	18%
2018	19%	35%	18%
2017	19%	35%	18%
2016	25%	34%	18%
2015	23%	34%	17%
2014	45%	35%	16%
2013	55%	34%	16%
2012	33%	34%	16%
2011	42%	33%	15%
2010	51%	31%	14%
2009	39%	28%	14%
2008	37%	28%	14%
2007	55%	27%	15%
2006	64%	27%	14%
2005	59%	25%	11%
2003	2%	22%	9%
1999	3%	21%	9%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2005-2023)
Year	Boulder Prep Charter High School	Colorado	Boulder Valley School District No. Re2
2023	5%	7%	4%
2022	6%	6%	4%
2021	6%	7%	3%
2020	2%	8%	3%
2019	2%	8%	3%
2018	5%	8%	3%
2017	5%	8%	3%
2015	2%	7%	2%
2014	2%	7%	2%
2013	2%	7%	3%
2012	4%	7%	3%
2011	2%	7%	3%
2009	4%	7%	3%
2008	10%	7%	3%
2007	5%	7%	3%
2006	14%	6%	2%
2005	4%	6%	2%

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School Statewide Testing

School District Name

Boulder Valley School District No. Re2

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

Profile last updated: 02/09/2025

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Frequently Asked Questions

What schools are Boulder Prep Charter High School often compared to?

Boulder Prep Charter High Schoolis often viewed alongside schools like Arapahoe Ridge High School by visitors of our site.

What is the graduation rate of Boulder Prep Charter High School?

The graduation rate of Boulder Prep Charter High School is 21-39%, which is lower than the Colorado state average of 82%.

How many students attend Boulder Prep Charter High School?

115 students attend Boulder Prep Charter High School.

What is the racial composition of the student body?

56% of Boulder Prep Charter High School students are White, 35% of students are Hispanic, 3% of students are Black, 3% of students are Two or more races, 2% of students are American Indian, and 1% of students are Hawaiian.

What is the student-teacher ratio of Boulder Prep Charter High School?

Boulder Prep Charter High School has a student ration of 10:1, which is lower than the Colorado state average of 15:1.

What grades does Boulder Prep Charter High School offer ?

Boulder Prep Charter High School offers enrollment in grades 9-12 (No virtual instruction).

What school district is Boulder Prep Charter High School part of?

Boulder Prep Charter High School is part of Boulder Valley School District No. Re2.

In what neighborhood is Boulder Prep Charter High School located?

Boulder Prep Charter High School is located in the Gunbarrel neighborhood of Boulder, CO. There are 1 other public schools located in Gunbarrel.