Best Rio Grande County Public High Schools (2025-26)

For the 2025-26 school year, there are 8 public high schools serving 809 students in Rio Grande County, CO.

The top ranked public high schools in Rio Grande County, CO are Byron Syring Delta Center, The Academic Recovery Center Of San Luis Valley and Monte Vista On-line Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Rio Grande County, CO public high schools have an average math proficiency score of 21% (versus the Colorado public high school average of 34%), and reading proficiency score of 33% (versus the 53% statewide average). High schools in Rio Grande County have an average ranking of 3/10, which is in the bottom 50% of Colorado public high schools.

Rio Grande County, CO public high school have a Graduation Rate of 78%, which is less than the Colorado average of 82%.

The school with highest graduation rate is Del Norte High Jr./sr. High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Colorado or national school graduation rate statistics.

Minority enrollment is 67% of the student body (majority Hispanic), which is more than the Colorado public high school average of 49% (majority Hispanic).