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For the 2026 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).