Serving 551 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 proficiency in math is 68% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts 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 75% of the student body (majority Asian), which is higher than the Colorado state average of 51% (majority Hispanic and Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 551 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 75%
- Overall Testing Rank: Top 5% in CO
- Math Proficiency: 68% (Top 5%)
- Reading Proficiency: 74% (Top 10%)
- Science Proficiency: 60-69% (Top 5%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Challenge To Excellence Charter School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Diversity
School Overview
Challenge To Excellence Charter School's student population of 551 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
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
551 students
Total Classroom Teachers
30 teachers
Year Founded
2021
School Calendar
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 diversity score of Challenge To Excellence Charter School is 0.57, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#71 out of 1748 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
68%
33%
Reading/Language Arts Test Scores (% Proficient)
74%
45%
Science Test Scores (% Proficient)
(20-21)60-69%
29%
Student-Teacher Ratio
18:1
15:1
American Indian
1%
1%
Asian
60%
3%
Hispanic
8%
37%
Black
3%
5%
White
25%
49%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Eligible for Free Lunch
6%
39%
Eligible for Reduced Lunch
1%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Mammoth
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 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?
551 students attend Challenge To Excellence Charter School.
What is the racial composition of the student body?
60% of Challenge To Excellence Charter School students are Asian, 25% of students are White, 8% of students are Hispanic, 3% of students are Black, 3% of students are Two or more races, 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.
School Reviews
Review Challenge To Excellence Charter 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
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
