For the 2026 school year, there are 3 public high schools serving 350 students in Thomas County, KS.
The top-ranked public high schools in Thomas County, KS are Brewster High School, Golden Plains High School and Colby Senior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Thomas County, KS public high schools have an average math proficiency score of 13% (versus the Kansas public high school average of 22%), and reading proficiency score of 27% (versus the 26% statewide average). High schools in Thomas County have an average ranking of 4/10, which is in the bottom 50% of Kansas public high schools.
Thomas County, KS public high school have a Graduation Rate of 83%, which is less than the Kansas average of 87%.
The school with highest graduation rate is Colby Senior High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Kansas or national school graduation rate statistics.
Minority enrollment is 19% of the student body (majority Hispanic), which is less than the Kansas public high school average of 37% (majority Hispanic).
Best Public High Schools in Thomas County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Brewster High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
127 Kansas Avenue
Brewster, KS 67732
(785) 694-2236
Brewster, KS 67732
(785) 694-2236
Gr: 9-12 | 32 students Student-teacher ratio: 8:1 Minority enrollment: 16%
Rank: #22.
Golden Plains High School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
335 School Street
Rexford, KS 67753
(785) 687-3265
Rexford, KS 67753
(785) 687-3265
Gr: 9-12 | 46 students Student-teacher ratio: 6:1 Minority enrollment: 33%
Rank: #33.
Colby Senior High School
(Math: 6-9% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
1890 S Franklin Ave
Colby, KS 67701
(785) 460-5300
Colby, KS 67701
(785) 460-5300
Gr: 9-12 | 272 students Student-teacher ratio: 16:1 Minority enrollment: 17%
Thomas County Public Schools (Closed)
School
Location
Quick Facts
Frequently Asked Questions
What are the top-ranked public high schools in Thomas County, KS?
The top-ranked public high schools in Thomas County, KS include Brewster High School, Golden Plains High School and Colby Senior High School.
How many public high schools are located in Thomas County?
3 public high schools are located in Thomas County.
What is the racial composition of students in Thomas County?
Thomas County public high schools minority enrollment is 19% of the student body (majority Hispanic), which is less than the Kansas public high schools average of 37% (majority Hispanic).
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