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Excellent

#134 of 1,815 schools in CO

Top 7% in state

Challenge to Excellence Charter School

Elementary School · Douglas County School District No. Re 1 · Parker, CO

A Douglas County School District No. Re 1 charter elementary school where students score 18 points above what's typical for similar communities.

Charter

16995 EAST CARLSON DRIVE, Parker, CO 80134

  • Math 79% vs CO 37% (2025)
  • Reading 77% vs CO 46% (2025)
  • 18.3:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress9.0Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-1.59 pts/yr
Data Period2009–2025
TrendDeclining
Academics9.8Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency78.4% (2025 CMAS)
Reading/ELA Proficiency76.8% (2025 CMAS)
Math vs. State Avg+42.3 pts
Reading vs. State Avg+31.9 pts
Overall Proficiency78% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)59% (model expectation from 2025 CMAS)
vs. Expected+18.4 pts
Adjusted Percentile97th
Resources & Environment5.9Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio18.3:1
District spending per student$12,942
Chronic Absenteeism14.6%

Students at Challenge to Excellence Charter School score 78% proficient, which is above what's typical for similar communities (expected: 59%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency79%(2025 CMAS)
School
State
37%(2025 CMAS)
ELA Proficiency77%(2025 CMAS)
School
State
46%(2025 CMAS)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 8 points since 2020, reaching 78% in 2025.

Show all 15 years
2009
Math
97%
ELA
98%
2010
Math
97%
ELA
97%
2011
Math
85%
ELA
88%
2012
Math
88%
ELA
88%
2013
Math
86%
ELA
85%
2014
Math
62%
ELA
65%
2015
Math
66%
ELA
71%
2016
Math
66%
ELA
74%
2017
Math
71%
ELA
65%
2018
Math
68%
ELA
69%
2019
Math
68%
ELA
69%
2020*
Math
62%
ELA
77%
2021*
Math
62%
ELA
77%
2022
Math
73%
2025
Math
79%
ELA
77%

Multi-year averages used by the rating model: math 76% (multi-year average, 2009-2025) · reading/ELA 78% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 41 test records from CO state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

6%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Challenge to Excellence Charter School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Denver map →

Getting around & local context

  • Walk 36Car-Dependent
  • Bike 67Bikeable
  • City Safety: High1,868/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Parker), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$142,162

Median home value

$643,200

Median rent

$2,027/mo

College educated

59.3%

Homeownership

80.5%

Poverty rate

2.5%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80134; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Southeast Christian SchoolPrivate · tuition5.7privatePK–80.4 mi398Compare →
Renaissance Montessori AcademyPrivate · tuitionNot ratedPK–30.6 mi20Compare →
Mammoth Heights ElementaryEnrollment path unverified6.7PK–60.7 mi606Compare →
North Star AcademyCharter · enrollment unverified8.2K–80.7 mi678Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Douglas County School District No. Re 1

Schools in district
89
Rank in district
#10 of 88
District spending per student
$12,942NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
2.7%Census SAIPE · 2024

Challenge to Excellence Charter School is listed in Douglas County School District No. Re 1; a district label does not verify attendance for an address.

About Challenge to Excellence Charter School

Challenge to Excellence Charter School is a public elementary school in Parker, CO, part of Douglas County School District No. Re 1, serving approximately 548 students in grades Kindergarten-8th with a 18.3:1 student-teacher ratio. It holds a MySchoolScout rating of 8.6 out of 10 and ranks #134 of 1,815 schools in CO.

State assessment records show 76% math proficiency (multi-year average, 2009-2025) and 78% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Challenge to Excellence Charter School

What grades does Challenge to Excellence Charter School serve?

Challenge to Excellence Charter School serves students in grades Kindergarten through 8th.

How many students attend Challenge to Excellence Charter School?

Challenge to Excellence Charter School has an enrollment of approximately 548 students.

What is the student-teacher ratio at Challenge to Excellence Charter School?

The student-teacher ratio at Challenge to Excellence Charter School is 18.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Challenge to Excellence Charter School rank in CO?

Challenge to Excellence Charter School ranks #134 of 1,815 schools in CO.

What is Challenge to Excellence Charter School's MySchoolScout rating?

Challenge to Excellence Charter School has a current MySchoolScout rating of 8.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Challenge to Excellence Charter School?

Based on loaded state assessment records, Challenge to Excellence Charter School has 76% math proficiency (multi-year average, 2009-2025) and 78% reading/ELA proficiency (multi-year average, 2009-2025).

Is Challenge to Excellence Charter School a charter school?

Yes, Challenge to Excellence Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Challenge to Excellence Charter School a Title I school?

No, Challenge to Excellence Charter School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Challenge to Excellence Charter School?

6.0% of students at Challenge to Excellence Charter School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 8th
Enrollment
548
Student-Teacher Ratio
18.3:1
Teachers (FTE)
30
Type
regular
Setting
Large Suburb
County
Douglas County
Chronic Absenteeism (SY 2022-23)
14.6%
Area population (ZIP 80134)
77,814
Area average commute
27.4 min
Area median age
37.9
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CMAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CMAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 80134; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

Related reading

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