Enrollment
551
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Parker, CO
Federal NCES profile for Challenge to Excellence Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Challenge to Excellence Charter School earns 31/100 on the Resource Investment Index, with class sizes larger than 79% of Colorado schools.
Challenge to Excellence Charter School has class sizes larger than 79% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Challenge to Excellence Charter School ranks #6 of 8 elementary schools in Parker, CO.
NCES ID 080345001874 Verify on NCES CCD record →
Enrollment
551
Colorado · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
19:1
vs 16.6:1 Colorado avg
+14% vs state
Free-lunch eligible
4.8%
vs 38.5% Colorado avg
-88% vs state
How Challenge to Excellence Charter School compares with Colorado and U.S. medians
Slightly above state median
19:1 - 2.4 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Challenge to Excellence Charter School is a lower-poverty, mid-sized charter elementary school in Parker, Colorado, enrolling 551 students.
Class loads run somewhat heavier than typical: 19:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Comparatively few students face economic hardship here, 4.8% free-meal eligibility runs 88% below the Colorado average.
Enrollment of 551 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Among 258 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #241, in the lower tier once campus size and economic need are matched.
Its student body is led by Asian (60%) and White (25%) (diversity index 57/100).
Counselor access is stretched at roughly 551 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Douglas County School District No. Re 1 spends $11,848 per pupil, 27% below the Colorado average, a leaner-resourced district than most.
Douglas County School District No. Re 1 also operates American Academy (2,803 students) and Rock Canyon High School (2,325 students) alongside Challenge to Excellence Charter School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Challenge to Excellence Charter School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19:1 | ▲ 14% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 4.8% | ▼ 88% | 38.5% | 51.7% |
| Enrollment | 551 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Asian at 60.1% of enrollment.
Simpson diversity index - at 56.7, Challenge to Excellence Charter School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Challenge to Excellence Charter School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | Similar economic need | Similar S:T ratio |
| Rock Canyon High School | Larger | No free-lunch data | Higher S:T ratio |
| Legend High School | Larger | No free-lunch data | Higher S:T ratio |
| Mountain Vista High School | Larger | No free-lunch data | Similar S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Challenge to Excellence Charter School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Challenge to Excellence Charter School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Challenge to Excellence Charter School has 551 students enrolled. It is an elementary school in Parker, CO.
The student-teacher ratio at Challenge to Excellence Charter School is 19:1, which is 14% higher than the Colorado average of 16.6:1 and 21% higher than the national average of 15.7:1.
4.8% of students at Challenge to Excellence Charter School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Challenge to Excellence Charter School is Asian at 60.1% of enrollment, in Parker, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.7/100.
Challenge to Excellence Charter School has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Challenge to Excellence Charter School ranks #6 of 8 elementary schools in Parker, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Parker on the city page.
Challenge to Excellence Charter School earns 31/100 on the Resource Investment Index, with class sizes larger than 79% of Colorado schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Challenge to Excellence Charter School, Douglas County School District No. Re 1 also operates American Academy (2,803 students), Rock Canyon High School (2,325 students), and Legend High School (2,206 students). See the Douglas County School District No. Re 1 district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Challenge to Excellence Charter School, Parker CO.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/challenge-to-excellence-charter-school-co
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