Enrollment
1,938
Colorado · 2024-25 NCES data
High school (grades 9-12) · Castle Rock, CO
Federal NCES profile for Castle View High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Castle View High School earns 50/100 on the Resource Investment Index, with class sizes larger than 88% of Colorado schools. It is also one of the largest schools in Colorado.
Castle View High School has class sizes larger than 88% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Castle View High School ranks #3 of 3 high schools in Castle Rock, CO.
NCES ID 080345001918 Verify on NCES CCD record →
Enrollment
1,938
Colorado · 2024-25 NCES data
Teachers (FTE)
94.0
Federal CCD staff survey
Students per teacher
20.6:1
vs 16.6:1 Colorado avg
+24% vs state
How Castle View High School compares with Colorado and U.S. medians
Larger classes than state median
20.6:1 - 4.0 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Castle View High School is a large high school in Castle Rock, Colorado, enrolling 1,938 students.
Class loads run heavy: 20.6:1 is larger than about 88% of Colorado schools and 24% above the 16.6:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Colorado, bigger than 99% of state schools at 1,938 students.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Its student body is led by White (72%) and Hispanic or Latino (18%) (diversity index 44/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor coverage is strong, about 210 students per counselor, inside the American School Counselor Association's recommended 250:1.
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.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Douglas County School District No. Re 1 also operates American Academy (2,803 students) and Rock Canyon High School (2,325 students) alongside Castle View High 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
Castle View High 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 | 20.6:1 | ▲ 24% | 16.6:1 | 15.7:1 |
| Enrollment | 1,938 | top 1% | - | - |
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: White at 72.3% of enrollment.
Simpson diversity index - at 44.0, Castle View High School is less mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Castle View High 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 | No free-lunch data | Lower S:T ratio |
| Rock Canyon High School | Similar size | No free-lunch data | Similar S:T ratio |
| Legend High School | Similar size | No free-lunch data | Similar S:T ratio |
| Mountain Vista High School | Similar size | No free-lunch data | Similar S:T ratio |
| Chaparral High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Castle View High 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 Castle View High 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.
Castle View High School has 1,938 students enrolled. It is a high school in Castle Rock, CO.
The student-teacher ratio at Castle View High School is 20.6:1, which is 24% higher than the Colorado average of 16.6:1 and 31% higher than the national average of 15.7:1.
The largest demographic group at Castle View High School is White at 72.3% of enrollment, in Castle Rock, CO.
Castle View High School has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Castle View High School ranks #3 of 3 high 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 high schools in Castle Rock on the city page.
Castle View High School earns 50/100 on the Resource Investment Index, with class sizes larger than 88% of Colorado schools. It is also one of the largest schools in Colorado. 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 Castle View High 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, “Castle View High School, Castle Rock 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/castle-view-high-school-co
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