22 public K-12 schools in Castle Rock from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
22 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Castle Rock's 22 public schools is Castle View High School, scoring 49/100, against a city average of 42.3/100. Computed live across every Castle Rock campus reporting to NCES.
How the Castle Rock Public-School Landscape Breaks Down
Castle Rock, CO enrolls 13,849 students across 22 public schools reporting to the National Center for Education Statistics. Of those, 5 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 18.1:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 42.3/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in Castle Rock on this index is Castle View High School, at 49/100 on the Resource Investment Index with 1,938 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Castle Rock spans 1 district, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
Castle Rock school enrollment varies 18× across entities
Castle Rock school enrollment ranges from 110 students (lowest) to 1,938 students (highest), a spread of 1,828 students. That spread reflects typical urban portfolio variation between specialty programs and large neighbourhood schools. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
Castle Rock operates only 1 school district — one of the single most consolidated governance structures in the country
Most Castle Rock school districts are a single unified district covering the whole city, a structural feature that simplifies inter-school comparison but concentrates policy authority, and the count here is near the floor observed nationally. Consolidation produces narrower variance because resources pool across a large population, but it can also mask intra-school district inequities — sub-school district differences within a single school district are not visible at this aggregation level. Consolidated systems typically rely more heavily on top-down funding formulas than on local revenue variability.
Castle Rock student-teacher ratio is 18.1:1 — high (typically associated with larger urban scale or staffing constraints that have widened the headcount gap)
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.
Castle Rock has higher-than-average charter school authorisation eligibility — 22.7% of the population qualifies for charter-school enrollment options
charter-school enrollment options eligibility is the federal threshold for charter school authorisation funding allocations, established under the state-specific charter law. Eligibility here is approaching the 30% concentration-grant threshold; it does not yet unlock the extra funding tier but sits meaningfully above the baseline 10% majority mark. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Most racially and ethnically mixed schools in Castle Rock
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in Castle Rock is Castle View High School with a quality score of 49/100. There are 22 public schools in Castle Rock with 13,849 total students.
How many schools are in Castle Rock, CO? ▼
Castle Rock has 22 public schools with a total enrollment of 13,849 students. 5 are charter schools. Average student-teacher ratio: 18.1:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.