For the 2025 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, Monte Vista On-line Academy and The Academic Recovery Center Of San Luis Valley. 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 19% (versus the Colorado public high school average of 33%), 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 75%, which is less than the Colorado average of 82%.
The school with highest graduation rate is Monte Vista Senior 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 67% of the student body (majority Hispanic), which is more than the Colorado public high school average of 49% (majority Hispanic).
Best Public High Schools in Rio Grande County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Byron Syring Delta Center
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
345 Prospect
Monte Vista, CO 81144
(719) 852-2212
Monte Vista, CO 81144
(719) 852-2212
Grades: 9-12
| 51 students
Rank: #22.
Monte Vista On-line Academy
Alternative School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
345 East Prospect
Monte Vista, CO 81144
(719) 852-2212
Monte Vista, CO 81144
(719) 852-2212
Grades: 4-12
| 56 students
Rank: #33.
The Academic Recovery Center Of San Luis Valley
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
550 S. Sylvester Avenue
Center, CO 81125
(719) 754-2859
Center, CO 81125
(719) 754-2859
Grades: 9-12
| 3 students
Rank: #44.
Sargent Senior High School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
6/
Top 50%10
7090 North County Road 2 East
Monte Vista, CO 81144
(719) 852-4025
Monte Vista, CO 81144
(719) 852-4025
Grades: 9-12
| 83 students
Rank: #55.
Del Norte High Jr./sr. High School
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
950 French Street
Del Norte, CO 81132
(719) 657-4050
Del Norte, CO 81132
(719) 657-4050
Grades: 7-12
| 187 students
Rank: #66.
Center High School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
4/
Bottom 50%10
550 S. Sylvester Avenue
Center, CO 81125
(719) 754-2232
Center, CO 81125
(719) 754-2232
Grades: 9-12
| 155 students
Rank: #77.
Monte Vista Senior High School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
295 East Prospect
Monte Vista, CO 81144
(719) 852-3586
Monte Vista, CO 81144
(719) 852-3586
Grades: 9-12
| 254 students
Rank: n/an/a
550 South Sylvester
Center, CO 81125
(719) 754-3442
Center, CO 81125
(719) 754-3442
Grades: 9-12
| 20 students
Rio Grande County Public Schools (Closed)
School
Location
Grades
Students
77011th St
Del Norte, CO 81132
(719) 657-4030
Del Norte, CO 81132
(719) 657-4030
Grades: K-1
| 74 students
525 Second Avenue
Monte Vista, CO 81144
(719) 852-5996
Monte Vista, CO 81144
(719) 852-5996
Grades: K-12
| 8 students
10th & Oak
Del Norte, CO 81132
(719) 657-4030
Del Norte, CO 81132
(719) 657-4030
Grades: K-4
| 185 students
Frequently Asked Questions
What are the top ranked public high schools in Rio Grande County, CO?
The top ranked public high schools in Rio Grande County, CO include Byron Syring Delta Center, Monte Vista On-line Academy and The Academic Recovery Center Of San Luis Valley.
How many public high schools are located in Rio Grandeunty?
8 public high schools are located in Rio Grandeunty.
What is the racial composition of students in Rio Grandeunty?
Rio Grandeunty public high schools minority enrollment is 67% of the student body (majority Hispanic), which is more than the Colorado public high schools average of 49% (majority Hispanic).
Recent Articles
Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.
2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.
Will Single Sex Classrooms Save Public Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.