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For the 2026 school year, there are 2 public high schools serving 1,311 students in Johnstown, CO.

The top-ranked public high schools in Johnstown, CO are Roosevelt High School and Civica Colorado. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Johnstown, CO public high schools have an average math proficiency score of 28% (versus the Colorado public high school average of 34%), and reading proficiency score of 52% (versus the 53% statewide average). High schools in Johnstown have an average ranking of 6/10, which is in the top 50% of Colorado public high schools.

Johnstown, CO public high school have a Graduation Rate of 87%, which is more than the Colorado average of 82%.

The school with highest graduation rate is Roosevelt High School, with 87% graduation rate. Read more about public school graduation rate statistics in Colorado or national school graduation rate statistics.

Minority enrollment is 38% of the student body (majority Hispanic), which is less than the Colorado public high school average of 49% (majority Hispanic).