For the 2026 school year, there are 8 public high schools serving 3,543 students in Garfield County, CO.
The top-ranked public high schools in Garfield County, CO are Glenwood Springs High School, Marble Charter School and Roaring Fork High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Garfield County, CO public high schools have an average math proficiency score of 30% (versus the Colorado public high school average of 34%), and reading proficiency score of 53% (versus the 53% statewide average). High schools in Garfield County have an average ranking of 7/10, which is in the top 50% of Colorado public high schools.
Garfield County, CO public high school have a Graduation Rate of 82%, which is equal to the Colorado average of 82%.
The school with highest graduation rate is Coal Ridge High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Colorado or national school graduation rate statistics.
Minority enrollment is 56% of the student body (majority Hispanic), which is more than the Colorado public high school average of 51% (majority Hispanic).
Best Public High Schools in Garfield County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Glenwood Springs High School
(Math: 39% | Reading: 58%)
Rank:
Rank:
8/
Top 30%10
1521 Grand Avenue
Glenwood Springs, CO 81601
(970) 384-5555
Glenwood Springs, CO 81601
(970) 384-5555
Gr: 9-12 | 1,032 student Student-teacher ratio: 18:1 Minority enrollment: 62%
Rank: #22.
Marble Charter School
Charter School
(Math: 21-39% | Reading: 60-79%)
Rank:
Rank:
8/
Top 30%10
412 West Main Street
Carbondale, CO 81623
(970) 963-9550
Carbondale, CO 81623
(970) 963-9550
Gr: K-10 | 34 students Student-teacher ratio: 11:1 Minority enrollment: 3%
Rank: #33.
Roaring Fork High School
(Math: 30-34% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
2270 Highway 133
Carbondale, CO 81623
(970) 384-5757
Carbondale, CO 81623
(970) 384-5757
Gr: 9-12 | 472 students Student-teacher ratio: 17:1 Minority enrollment: 53%
Rank: #44.
Grand Valley High School
(Math: 20-29% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
800 Cardinal Way
Parachute, CO 81635
(970) 285-5705
Parachute, CO 81635
(970) 285-5705
Gr: 9-12 | 293 students Student-teacher ratio: 15:1 Minority enrollment: 50%
Rank: #55.
Coal Ridge High School
(Math: 20-24% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
35947 Highway 6
New Castle, CO 81647
(970) 625-6700
New Castle, CO 81647
(970) 625-6700
Gr: 9-12 | 578 students Student-teacher ratio: 20:1 Minority enrollment: 52%
Rank: #66.
Rifle High School
(Math: 20-24% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
1350 Prefontaine Ave
Rifle, CO 81650
(970) 665-7725
Rifle, CO 81650
(970) 665-7725
Gr: 9-12 | 778 students Student-teacher ratio: 20:1 Minority enrollment: 63%
Rank: #77.
Bridges
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
455 South 3rd Street
Carbondale, CO 81623
(970) 384-5995
Carbondale, CO 81623
(970) 384-5995
Gr: 9-12 | 68 students Student-teacher ratio: 10:1 Minority enrollment: 71%
Rank: #88.
Yampah Mountain School
Alternative School
(Math: ≤10% | Reading: 11-19% )
Rank:
Rank:
1/
Bottom 50%10
695 Red Mountain Drive
Glenwood Springs, CO 81601
(970) 945-9463
Glenwood Springs, CO 81601
(970) 945-9463
Gr: 9-12 | 181 students Student-teacher ratio: 16:1 Minority enrollment: 51%
Frequently Asked Questions
What are the top-ranked public high schools in Garfield County, CO?
The top-ranked public high schools in Garfield County, CO include Glenwood Springs High School, Marble Charter School and Roaring Fork High School.
How many public high schools are located in Garfieldunty?
8 public high schools are located in Garfieldunty.
What is the racial composition of students in Garfieldunty?
Garfieldunty public high schools minority enrollment is 56% of the student body (majority Hispanic), which is more than the Colorado public high schools average of 51% (majority Hispanic).
Which public high schools in Garfieldunty are often viewed compared to one another?
Popular comparisons of public high schools in Garfieldunty include: Rifle High School vs. Coal Ridge High School, Yampah Mountain School vs. Glenwood Springs High School, Roaring Fork High School vs. Glenwood Springs High School
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