The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·DOUGLAS COUNTY SCHOOL DISTRICT NO. RE 1·NCES 080345001874

Challenge to Excellence Charter School

16995 EAST CARLSON DRIVE, PARKER, CO 80134 · (303) 841-9816 · Douglas County
GRADES KG–08ELEMENTARY21-SUBURBCHARTERREGULAR SCHOOL551 STUDENTS
A+
allk12 Grade
Scored higher than 95% of Colorado public elementary schools
  • A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Colorado public elementary schools

Enrollment
551
Elementary
DISTRICT 517 · STATE 379
Student : Teacher
18.4:1
30 FTE teachers
DISTRICT 16.1:1 · STATE 16.6:1
Free / Reduced Lunch
6%
35 students
DISTRICT 19% · STATE 50%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten7514%
Grade 17313%
Grade 2509%
Grade 3529%
Grade 4519%
Grade 57413%
Grade 67714%
Grade 7509%
Grade 8499%

This year's kindergarten class (75) is 53% larger than its 8th grade class (49).

Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 62% · US 70%
White
14025%
DISTRICT 67% · STATE 49% · US 43%
Hispanic
428%
DISTRICT 17% · STATE 37% · US 30%
Black
163%
DISTRICT 2% · STATE 5% · US 15%
Asian
33160%
DISTRICT 8% · STATE 3% · US 6%
Two+
183%
DISTRICT 7% · STATE 5% · US 5%
Native American
41%
DISTRICT 0% · STATE 1% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
26849%
Female
28351%

Discussions

+ POST

Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
76.9%
CO avg 44.9% . +5.6pp since 2023
Math
78.4%
CO avg 36.1% . +7.1pp since 2023

What this means: On the CMAS, Colorado's statewide test, about 77 of every 100 students at this school read and write at grade level and about 78 of 100 do math at grade level. Across all Colorado schools, those numbers are about 45 and 36. Reading and writing scores are up about 6 points since 2023, while math scores are up about 7 points.

CMAS results by year

School yearEnglish Language ArtsMath
2024-2576.9%78.4%
2023-2471.3%71.3%
% Met or Exceeded Expectations, all students and all tested grades.
Source: CMAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
75.0%
composite math + reading, all grades
Predicted
62.9%
based on CO schools with similar FRL share
Beats by
+12.1pp
above demographic expectation

What this means: About 75% of students here test proficient in math and reading, compared with the roughly 63% typical for Colorado schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Colorado's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Challenge to Excellence Charter School

Challenge to Excellence Charter School's state test result (75.0% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Challenge to Excellence Charter School this school5516.4%75.0%
Cherry Creek Charter Academy
GREENWOOD VILLAGE
59416.5%81.8%
Challenge School
DENVER
56017.3%89.7%
Parker Core Knowledge
PARKER
7059.4%83.5%
High Peaks Elementary School
BOULDER
2579.7%89.8%
Belleview Elementary School
GREENWOOD VILLAGE
57729.6%58.0%
Matched among Colorado elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Challenge to Excellence Charter School ranks

Among elementary schools
MeasureThis schoolIn ColoradoIn Douglas County
State test proficiency
ranked highest first
75.0%#27 of 931#4 of 58
Math proficiency
ranked highest first
78.4%#20 of 940
▲ 16
#3 of 58
▲ 2
Reading proficiency
ranked highest first
76.9%#36 of 946
▲ 34
#11 of 58
▲ 2
Enrollment
ranked largest first
551#159 of 1,056#19 of 62
Students per teacher
ranked fewest first
18.4:1#802 of 896#54 of 59
Diversity index
ranked most diverse first
56.7%#272 of 896#11 of 59
Free and reduced lunch
ranked highest share first
6.4%#976 of 983#56 of 60
Enrollment change since 2017-18
ranked fastest growth first
+10.4%#98 of 200#7 of 14
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
551
+7 (+1%) vs 2020
+14% since 2010-11, when it was 482
Student : Teacher
18.4:1
was 17.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2555129.918.4:16% (35)
2023-2454830.118.2:16% (33)
2022-2353829.418.3:15% (27)
2020-215443117.6:15% (27)
2017-1849928.317.7:15% (26)
2015-164982619.1:18% (40)
2010-114822321.0:16% (29)
Source: NCES Common Core of Data. Rows are the federal collections on file for Challenge to Excellence Charter School.

Since 2017-18: students up 10% (499 to 551); teachers up 6% (28.3 to 29.9).

About Challenge to Excellence Charter School

Challenge to Excellence Charter School, located in PARKER, Colorado, is a medium-sized elementary school. It enrolled 551 students in kindergarten through 8 for the 2024-25 school year. Enrollment is 45% higher than the average for elementary schools in Colorado, which is about 379.

Douglas County School District No. Re 1 counts 89 schools and 61,550 students, including Challenge to Excellence Charter School.

Asian students account for 60% of enrollment at Challenge to Excellence Charter School. Other students are 25% White, 8% Hispanic, 3% multiracial, and 3% Black. That is higher than the 6% Asian share among all Douglas County residents. Challenge to Excellence Charter School has a diversity index of 57%, compared with 70% for all US public school students.

At Challenge to Excellence Charter School, 29.9 full-time-equivalent teachers work with students, a ratio of about 18.4:1. For comparison, elementary schools in Colorado average 16.6:1. Roughly 6% of the student body qualifies for free or reduced-price lunch. The rate at public schools in Douglas County averages 18%, higher than here.

Measured against Colorado public elementary schools, Challenge to Excellence Charter School receives an A+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Compared with Colorado schools that have similar shares of low-income students, Challenge to Excellence Charter School's results are 12.1 points above predicted: 75.0% against 62.9%.

Douglas County has about 377,150 residents, and median household income is about $149,594, about 62% of adults have at least a bachelor's degree, and roughly 3% of residents are in poverty. Challenge to Excellence Charter School is one of 92 public schools in Douglas County, which together enroll about 63,841 students.

The closest public school to Challenge to Excellence Charter School is North Star Academy, about 0.7 miles away. Within five miles of Challenge to Excellence Charter School, there are at least 8 other public schools. On proficiency, Challenge to Excellence Charter School is ahead of the 52.0% nearby average, ranking 1st of 8.

Federal data place Challenge to Excellence Charter School in the Suburb: Large locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more. Challenge to Excellence Charter School is a publicly funded charter school.

Challenge to Excellence Charter School had 544 students in 2020-21 and 551 in 2024-25, nearly the same.

The allk12 site hosts a discussion page for Challenge to Excellence Charter School covering things like school events, clubs, and volunteer needs. Reviews and ratings from people who know the school are welcome.

Douglas County at a glance

View full county profile
Population
377,150
Census ACS
Median income
$149,594
Household, ACS
Bachelor's+
62%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
92
63,841 students

Quick facts

School name
Challenge to Excellence Charter School
District
Douglas County School District No. Re 1
Address
16995 EAST CARLSON DRIVE, PARKER, CO 80134
Phone
(303) 841-9816
County
Douglas County
Level
Elementary
Grade range
KG–08
Total enrollment
551
Teachers (FTE)
30
Student–teacher ratio
18.4:1
Free and reduced lunch
35 (6%)
Locale
21-Suburb: Large
NCES ID
080345001874
Charter school
Yes
Virtual school
No

Related schools

Other schools in Douglas County School District No. Re 1
Other schools in PARKER
Nearby schools

Frequently asked questions

About Challenge to Excellence Charter School
How many students attend Challenge to Excellence Charter School?
Challenge to Excellence Charter School enrolls approximately 551 students in grades KG-08.
What age range does Challenge to Excellence Charter School serve?
Challenge to Excellence Charter School serves students from grade KG through grade 08.
How many students per teacher at Challenge to Excellence Charter School?
Approximately 18.4:1 students per teacher at Challenge to Excellence Charter School.
What is the student diversity at Challenge to Excellence Charter School?
Student demographics at Challenge to Excellence Charter School are roughly 25% White, 8% Hispanic, 3% Black, 60% Asian, 3% Two or more.
What district is Challenge to Excellence Charter School in?
Challenge to Excellence Charter School is part of Douglas County School District No. Re 1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post