Public schools in Castle Rock, CO
22 open public schools with an address in Castle Rock, operated by 1 education agency. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
22
NCES preliminary directory 2025–26
Reported students
13,849
22 schools reporting · NCES 2024–25
Median student–teacher ratio
16.5:1
Colorado median 15.4:1
Charter schools
5
1 magnet · 0 virtual
An overview of Castle Rock public schools
The federal directory lists 22 public schools in Castle Rock, CO: 15 elementary, 2 middle, 4 high, 1 combined or other. The 22 schools that reported 2024–25 membership enrolled 13,849 students, an average of 630 per school. The largest campus is Castle View High School (1,938 students), and the largest elementary school is Aspen View Academy (1,018).
Every listed school belongs to Douglas County School District No. Re 1. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 16.5:1, higher than the statewide school median of 15.4:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
School choice options include 5 charter schools, 1 magnet school. Application windows and lotteries usually open months before the school year.
Among 4 high and combined schools with 2021–22 civil-rights data, 2 reported students enrolled in AP courses and 3 of 4 reported computer-science classes. Confirm current course catalogs directly with each school.
About 19% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving Castle Rock
Elementary schools in Castle Rock
15| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Academy Charter School Douglas County School District No. Re 1 · Charter | PK–08 | 581 | 16.1:1 | |
| Aspen View Academy Douglas County School District No. Re 1 · Charter | PK–08 | 1,018 | 18.1:1 | |
| Buffalo Ridge Elementary School Douglas County School District No. Re 1 | PK–05 | 524 | 16.4:1 | |
| Castle Rock Elementary School Douglas County School District No. Re 1 | PK–06 | 440 | 14.2:1 | |
| Clear Sky Elementary Douglas County School District No. Re 1 | PK–06 | 627 | 16.2:1 | |
| DC Montessori Charter School Douglas County School District No. Re 1 · Charter | PK–08 | 547 | 19.1:1 | |
| Flagstone Elementary School Douglas County School District No. Re 1 | PK–06 | 496 | 17.1:1 | |
| Meadow View Elementary School Douglas County School District No. Re 1 | PK–06 | 508 | 18.1:1 | |
| Renaissance Expedition Learn Outward Bound School Douglas County School District No. Re 1 · Magnet | KG–06 | 361 | 16.6:1 | |
| Rock Ridge Elementary School Douglas County School District No. Re 1 | PK–06 | 449 | 15.2:1 | |
| Sage Canyon Elementary Douglas County School District No. Re 1 | PK–06 | 552 | 16.6:1 | |
| Soaring Hawk Elementary School Douglas County School District No. Re 1 | PK–06 | 431 | 14.4:1 | |
| South Ridge Elementary An IB World School Douglas County School District No. Re 1 | KG–05 | 371 | 13.1:1 | |
| Timber Trail Elementary School Douglas County School District No. Re 1 | PK–05 | 380 | 16.2:1 | |
| World Compass Academy Douglas County School District No. Re 1 · Charter | PK–08 | 791 | 16.5:1 |
Middle schools in Castle Rock
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Castle Rock Middle School Douglas County School District No. Re 1 | 07–08 | 660 | 15.1:1 | |
| Mesa Middle School Douglas County School District No. Re 1 | 06–08 | 852 | 15.5:1 |
High schools in Castle Rock
4| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Castle View High School Douglas County School District No. Re 1 | 09–12 | 1,938 | 24.2:1 | |
| Daniel C Oakes High School--Castle Rock Douglas County School District No. Re 1 · Alternative School | 09–12 | 113 | 9.2:1 | |
| Douglas County High School Douglas County School District No. Re 1 | 09–12 | 1,659 | 19.3:1 | |
| Renaissance Secondary School Douglas County School District No. Re 1 · Charter | 06–12 | 441 | 16.6:1 |
Combined, early-childhood, and other schools in Castle Rock
1| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Early Childhood Center Douglas County School District No. Re 1 | PK–PK | 110 | 36.7:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White71.2%
- Hispanic18.3%
- Black1.3%
- Asian2.6%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial6.1%
Enrollment-weighted across 22 Castle Rock schools with NCES CCD 2024–25 race/ethnicity counts (13,849 students). Privacy suppression can leave small gaps.
Questions about public schools in Castle Rock
How many public schools are in Castle Rock, CO?
The current NCES directory lists 22 open public schools with a location address in Castle Rock: 15 elementary, 2 middle, 4 high, 1 combined or other. Together they reported 13,849 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve Castle Rock?
All listed public schools with an address in Castle Rock belong to Douglas County School District No. Re 1. Mailing cities do not always match district boundaries, so confirm the district for a specific home address.
What is the largest public high school in Castle Rock?
Castle View High School reported the largest high-school enrollment in Castle Rock, with 1,938 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in Castle Rock?
Yes. 5 of the 22 public schools in Castle Rock are identified as charter schools in the NCES directory, including Academy Charter School, Aspen View Academy, DC Montessori Charter School. Charter schools are public and tuition-free, but admission usually uses an application or lottery.
What is the typical student–teacher ratio in Castle Rock schools?
The median reported student–teacher ratio across Castle Rock public schools is 16.5:1, higher than the Colorado school median of 15.4:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in Castle Rock guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Colorado cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Colorado cities