Enrollment
627
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Castle Rock, CO
Clear Sky Elementary
Federal NCES profile for Clear Sky Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080345006392
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clear Sky Elementary earns 35/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #9 of 14
- schools in Castle Rock · Resource Index
- 35
- Resource Index · Typical
- 16.5:1
- students per teacher
- 9.8%
- free-lunch eligible
Clear Sky Elementary has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Clear Sky Elementary ranks #9 of 14 schools in Castle Rock, CO.
School address
District: Douglas County School District No. Re 1 · Colorado
NCES ID 080345006392 Verify on NCES CCD record →
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 16.6:1 Colorado avg
-1% vs state
Free-lunch eligible
9.8%
vs 38.5% Colorado avg
-75% vs state
Student-teacher ratio in context
How Clear Sky Elementary compares with Colorado and U.S. medians
What stands out at Clear Sky Elementary
Clear Sky Elementary is a lower-poverty, mid-sized combined-grade school in Castle Rock, Colorado, enrolling 627 students.
At 16.5:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 9.8% free-meal eligibility runs 75% below the Colorado average.
Enrollment of 627 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 301 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #244, in the lower tier once campus size and economic need are matched.
Its student body is led by White (70%) and Hispanic or Latino (22%) (diversity index 47/100).
Counselor access is stretched at roughly 609 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 Clear Sky Elementary.
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
How Clear Sky Elementary compares
Clear Sky Elementary on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▼ 1% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 9.8% | ▼ 75% | 38.5% | 51.7% |
| Enrollment | 627 | top 18% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
627
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
9.8%
free-lunch eligible
- 75% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.5:1
students per teacher
- 1% below state mean
Top 58% in Colorado - lower ratio than 42% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$11,848
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 609 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 69.5%
Hispanic or Latino 21.5%
Two or More 4.9%
Asian 1.8%
African American 1.4%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 69.5% of enrollment.
Student-body diversity index 46.8/100
Simpson diversity index - at 46.8, Clear Sky Elementary is about as mixed as the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Clear Sky Elementary.
$11,848
Per student
-27%
vs Colorado
Avg $16,273
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 52.8%
State 40.8%
Federal 6.4%
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.
How Clear Sky Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | Similar economic need | Higher 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 | Higher S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Clear Sky Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,803
- Students per teacher
- 18:1
- Resource Index
- 33/100
- Enrollment
- 2,325
- Students per teacher
- 21.1:1
- Resource Index
- 47/100
- Enrollment
- 2,206
- Students per teacher
- 20.6:1
- Resource Index
- 29/100
- Enrollment
- 2,169
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
- Enrollment
- 2,007
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
Similar other schools statewide
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.
Similar enrollment (~627 students)
Similar student-teacher ratio (~16.5:1)
Next steps
Verify locally before acting on Clear Sky Elementary's federal record.
- Compare Clear Sky Elementary against another school. Compare schools
- Douglas County School District No. Re 1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Clear Sky Elementary
How many students attend Clear Sky Elementary?
Clear Sky Elementary has 627 students enrolled. It is a public school in Castle Rock, CO.
What is the student-teacher ratio at Clear Sky Elementary?
The student-teacher ratio at Clear Sky Elementary is 16.5:1, which is 1% lower than the Colorado average of 16.6:1 and 5% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Clear Sky Elementary?
9.8% of students at Clear Sky Elementary are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Clear Sky Elementary?
The largest demographic group at Clear Sky Elementary is White at 69.5% of enrollment, in Castle Rock, CO.
What is the Resource Investment Index for Clear Sky Elementary?
Clear Sky Elementary has a Resource Investment Index of 35/100 (typical 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).
How does Clear Sky Elementary rank among schools in Castle Rock?
By Resource Investment Index, Clear Sky Elementary ranks #9 of 14 schools in Castle Rock, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Castle Rock on the city page.
Is Clear Sky Elementary a good school?
Clear Sky Elementary earns 35/100 on the Resource Investment Index, with class sizes near the Colorado median. 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.
What other schools are in Douglas County School District No. Re 1?
Besides Clear Sky Elementary, 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.
Related tools
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.