Challenge To Excellence Charter School (Ranked Top 5% for 2026)

16995 East Carlson Drive
Parker, CO 80134

10/

Top 5%

Serving 548 students in grades Kindergarten-8, Challenge To Excellence Charter 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 68% (which is higher than the Colorado state average of 33%). The percentage of students achieving is 74% (which is higher than the Colorado state average of 45%).

The student-teacher ratio of 18:1 is higher than the Colorado state level of 15:1.

Minority enrollment is 69% of the student body (majority Asian), which is higher than the Colorado state average of 50% (majority Hispanic and Black).

Quick Facts (2026)

School Type: Charter School
Grades: Kindergarten-8
Enrollment: 548 students
Student-Teacher Ratio: 18:1
Minority Enrollment: 69%
: Top 5% in CO
: 68% (Top 5%)
: 74% (Top 10%)
: 60-69% (Top 5%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

<�鶹��ý class="so-dt-title" id="top-rankings">Top Rankings

Challenge To Excellence Charter School ranks among the top 20% of public schools in Colorado for:

Category

Attribute

Overall Rank

Highest overall rank (Top 5%)

Math Proficiency

Highest math proficiency (Top 5%)

Reading/Language Arts Proficiency

Highest reading/language arts proficiency (Top 10%)

Science Proficiency

Highest science proficiency (Top 5%)

Diversity

Most diverse schools (Top 20%)

<�鶹��ý class='so-dt-title' id="overview">School Overview

Challenge To Excellence Charter School's student population of 548 students has stayed relatively flat over five school years.

The teacher population of 30 teachers has declined by 6% over five school years.

School Type

Charter School

Grades Offered

Grades Kindergarten-8
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Challenge To Excellence Charter School
Kind	74
1	51
2	51
3	52
4	75
5	77
6	51
7	42
8	75

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Total Students

548 students

View Data

Total Students Trends Over Years (2003-2023)
Year	Challenge To Excellence Charter School
2023	538
2022	536
2021	544
2020	516
2019	516
2018	497
2017	497
2016	498
2015	513
2014	490
2013	509
2012	514
2011	482
2010	452
2009	451
2008	440
2007	445
2006	451
2005	422
2004	358
2003	296

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Gender %

Total Classroom Teachers

30 teachers

View Data

Total Classroom Teachers Trends Over Years (2003-2023)
Year	Challenge To Excellence Charter School
2023	29
2022	31
2021	32
2020	30
2019	30
2018	27
2017	27
2016	27
2015	28
2014	23
2013	29
2012	23
2011	24
2010	25
2009	26
2008	24
2007	25
2006	23
2005	23
2004	25
2003	18

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Year Founded

2021

School Calendar

<�鶹��ý class='so-dt-title' id="school-rankings">School Rankings

Challenge To Excellence Charter 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 Challenge To Excellence Charter School is 0.62, which is equal to 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)

#71 out of 1748 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Challenge To Excellence Charter School
2023	#71
2022	#57
2021	#56
2019	#126
2018	#111
2017	#50
2016	#60
2015	#93
2014	#171
2013	#107
2012	#129

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68%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	68%	33%	50%
2022	73%	32%	49%
2021	62%	33%	45%
2019	68%	35%	48%
2018	71%	35%	45%
2017	66%	33%	42%
2016	66%	33%	43%
2015	62%	31%	41%
2014	86%	57%	70%
2013	88%	57%	70%
2012	85%	56%	71%

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74%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2022	74%	45%	62%
2021	77%	47%	62%
2019	69%	47%	59%
2018	65%	44%	45%
2017	74%	42%	50%
2016	71%	40%	49%
2015	65%	40%	50%
2014	85%	69%	81%
2013	88%	70%	82%
2012	88%	70%	82%
2011	97%	89%	95%

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(20-21)

60-69%

29%

Student-Teacher Ratio

18:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	19:1	16:1	18:1
2022	17:1	15:1	18:1
2021	17:1	15:1	18:1
2020	17:1	16:1	19:1
2019	17:1	16:1	19:1
2018	18:1	17:1	20:1
2017	18:1	17:1	20:1
2016	18:1	17:1	20:1
2015	18:1	17:1	20:1
2014	22:1	17:1	20:1
2013	18:1	17:1	21:1
2012	22:1	17:1	21:1
2011	20:1	17:1	21:1
2010	18:1	16:1	19:1
2009	17:1	16:1	19:1
2008	19:1	16:1	18:1
2007	18:1	17:1	18:1
2006	20:1	16:1	19:1
2005	18:1	17:1	18:1
2004	14:1	16:1	18:1
2003	16:1	16:1	18:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (2003-2022)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2022	1%	1%
2012	1%	1%
2011	1%	1%
2004	1%	1%	1%
2003	1%	1%	1%

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Asian

53%

View Data

Asian Student Percentage Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	52%	3%	7%
2022	47%	3%	7%
2021	42%	3%	6%
2020	27%	3%	6%
2019	27%	3%	6%
2018	20%	3%	5%
2017	20%	3%	5%
2016	17%	3%	4%
2015	15%	3%	5%
2014	11%	3%	4%
2013	11%	3%	4%
2012	10%	3%	4%
2011	9%	3%	5%
2010	8%	4%	5%
2009	8%	4%	5%
2008	9%	3%	5%
2007	8%	3%	5%
2006	8%	3%	4%
2005	8%	3%	4%
2004	5%	3%	4%
2003	4%	3%	3%

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Hispanic

36%

View Data

Hispanic Student Percentage Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	8%	35%	16%
2022	9%	35%	16%
2021	9%	34%	15%
2020	10%	34%	15%
2019	10%	34%	15%
2018	8%	34%	15%
2017	8%	34%	15%
2016	7%	33%	14%
2015	9%	33%	15%
2014	7%	33%	14%
2013	8%	32%	14%
2012	6%	32%	13%
2011	6%	32%	13%
2010	5%	29%	9%
2009	6%	28%	9%
2008	7%	28%	7%
2007	6%	28%	7%
2006	6%	27%	7%
2005	5%	26%	7%
2004	4%	25%	6%
2003	3%	24%	6%

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Black

View Data

Black Student Percentage Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	3%	5%	2%
2022	2%	4%	1%
2021	1%	5%	1%
2020	1%	5%	1%
2019	1%	5%	1%
2014	1%	5%	2%
2013	1%	5%	2%
2012	2%	5%	2%
2011	1%	5%	2%
2010	3%	6%	3%
2009	2%	6%	3%
2008	3%	6%	2%
2007	4%	6%	2%
2006	2%	6%	2%
2005	1%	6%	2%
2004	2%	6%	2%
2003	1%	6%	2%

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White

31%

50%

View Data

White Student Percentage Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	33%	51%	69%
2022	37%	52%	70%
2021	43%	52%	72%
2020	57%	53%	73%
2019	57%	53%	73%
2018	67%	53%	75%
2017	67%	53%	75%
2016	71%	54%	76%
2015	72%	54%	75%
2014	76%	55%	76%
2013	76%	56%	76%
2012	78%	56%	77%
2011	79%	57%	77%
2010	84%	60%	82%
2009	84%	61%	82%
2008	81%	61%	85%
2007	82%	62%	85%
2006	84%	63%	86%
2005	86%	64%	86%
2004	88%	65%	87%
2003	91%	66%	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	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	4%	5%	6%
2022	4%	5%	6%
2021	5%	5%	6%
2020	5%	4%	5%
2019	5%	4%	5%
2018	5%	4%	4%
2017	5%	4%	4%
2016	5%	4%	5%
2015	4%	4%	4%
2014	5%	3%	4%
2013	4%	3%	4%

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All Ethnic Groups

0.62

View Data

Diversity Score Comparison Over Years (2003-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	0.62	0.62	0.49
2022	0.64	0.61	0.48
2021	0.63	0.61	0.46
2020	0.60	0.60	0.44
2019	0.60	0.60	0.44
2018	0.51	0.60	0.42
2017	0.51	0.60	0.42
2016	0.46	0.60	0.40
2015	0.45	0.60	0.41
2014	0.41	0.59	0.40
2013	0.41	0.59	0.40
2012	0.39	0.59	0.40
2011	0.37	0.58	0.39
2010	0.28	0.55	0.31
2009	0.29	0.55	0.31
2008	0.33	0.55	0.27
2007	0.32	0.54	0.26
2006	0.28	0.53	0.25
2005	0.26	0.52	0.24
2004	0.22	0.52	0.23
2003	0.17	0.51	0.22

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Eligible for

39%

View Data

Free Lunch Eligibility Comparison Over Years (2009-2023)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2023	5%	33%	8%
2022	4%	30%	9%
2021	4%	33%	8%
2020	3%	33%	9%
2019	3%	33%	9%
2018	2%	35%	8%
2017	2%	35%	8%
2016	5%	34%	8%
2015	4%	34%	8%
2014	5%	35%	9%
2013	3%	34%	9%
2012	4%	34%	8%
2011	4%	33%	8%
2010	3%	31%	6%
2009	1%	28%	6%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2012-2022)
Year	Challenge To Excellence Charter School	Colorado	Douglas County School District No. Re 1
2022	1%	6%	2%
2021	1%	7%	2%
2020	2%	8%	3%
2019	2%	8%	3%
2018	3%	8%	3%
2017	3%	8%	3%
2016	3%	7%	3%
2015	1%	7%	2%
2014	3%	7%	3%
2013	3%	7%	3%
2012	1%	7%	3%

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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

<�鶹��ý class='so-dt-title' id="school-notes">School Notes

School Mascot: Mammoth

Profile last updated: 02/09/2025

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<�鶹��ý class='so-dt-title' id='faq'>Frequently Asked Questions

What is Challenge To Excellence Charter School's ranking?

Challenge To Excellence Charter School is ranked #71 out of 1,748 schools, which ranks it among the top 5% of public schools in Colorado.

What schools are Challenge To Excellence Charter School often compared to?

Challenge To Excellence Charter Schoolis often viewed alongside schools like North Star Academy, Parker Core Knowledge Charter School by visitors of our site.

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

68% of students have achieved math proficiency (compared to the 33% CO state average), while 74% of students have achieved reading proficiency (compared to the 45% CO state average).

How many students attend Challenge To Excellence Charter School?

548 students attend Challenge To Excellence Charter School.

What is the racial composition of the student body?

53% of Challenge To Excellence Charter School students are Asian, 31% of students are White, 8% of students are Hispanic, 4% of students are Two or more races, 3% of students are Black, and 1% of students are American Indian.

What is the student-teacher ratio of Challenge To Excellence Charter School?

Challenge To Excellence Charter School has a student ration of 18:1, which is higher than the Colorado state average of 15:1.

What grades does Challenge To Excellence Charter School offer ?

Challenge To Excellence Charter School offers enrollment in grades Kindergarten-8 (No virtual instruction).

What school district is Challenge To Excellence Charter School part of?

Challenge To Excellence Charter School is part of Douglas County School District No. Re 1.

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