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For the 2025-26 school year, there are 6 public high schools serving 4,382 students in Castle Rock, CO.

The top ranked public high schools in Castle Rock, CO are Castle View High School, Douglas County High School and Renaissance Secondary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Castle Rock, CO public high schools have an average math proficiency score of 40% (versus the Colorado public high school average of 34%), and reading proficiency score of 64% (versus the 53% statewide average). High schools in Castle Rock have an average ranking of 9/10, which is in the top 20% of Colorado public high schools.

Castle Rock, CO public high school have a Graduation Rate of 89%, which is more than the Colorado average of 82%.

The school with highest graduation rate is Castle View High School, with 95% graduation rate. Read more about public school graduation rate statistics in Colorado or national school graduation rate statistics.

Minority enrollment is 27% of the student body (majority Hispanic), which is less than the Colorado public high school average of 49% (majority Hispanic).