For the 2026 school year, there are 5 public high schools serving 2,545 students in Gillette, WY.
The top-ranked public high schools in Gillette, WY are Thunder Basin High School, Campbell County High School and Westwood High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Gillette, WY public high schools have an average math proficiency score of 46% (versus the Wyoming public high school average of 44%), and reading proficiency score of 40% (versus the 52% statewide average). High schools in Gillette have an average ranking of 3/10, which is in the bottom 50% of Wyoming public high schools.
Gillette, WY public high school have a Graduation Rate of 81%, which is more than the Wyoming average of 80%.
The school with highest graduation rate is Thunder Basin High School, with 85% graduation rate. Read more about public school graduation rate statistics in Wyoming or national school graduation rate statistics.
Minority enrollment is 15% of the student body (majority Hispanic), which is less than the Wyoming public high school average of 23% (majority Hispanic).
Best Public High Schools in Gillette, WY (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thunder Basin High School
(Math: 53% | Reading: 40%)
Rank:
Rank:
4/
Bottom 50%10
4001 Saunders Boulevard
Gillette, WY 82717
(307) 687-7733
Gillette, WY 82717
(307) 687-7733
Gr: 9-12 | 1,228 student Student-teacher ratio: 16:1 Minority enrollment: 13%
Rank: #22.
Campbell County High School
(Math: 41% | Reading: 42%)
Rank:
Rank:
2/
Bottom 50%10
1000 Camel Drive
Gillette, WY 82717
(307) 682-7247
Gillette, WY 82717
(307) 682-7247
Gr: 9-12 | 1,169 student Student-teacher ratio: 15:1 Minority enrollment: 16%
Rank: #33.
Westwood High School
Alternative School
(Math: ≤20% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
7 Opportunity Spur
Gillette, WY 82717
(307) 682-9809
Gillette, WY 82717
(307) 682-9809
Gr: 9-12 | 148 students Student-teacher ratio: 8:1 Minority enrollment: 17%
Rank: n/an/a
Powder River Basin Children's Center
Special Education School
410 N Miller Ave
Gillette, WY 82716
(307) 682-0231
Gillette, WY 82716
(307) 682-0231
Gr: K-12
Rank: n/an/a
Youth Emergency Services Inc.
Alternative School
905 N. Gurley Ave.
Gillette, WY 82716
(307) 686-0669
Gillette, WY 82716
(307) 686-0669
Gr: 7-12
Frequently Asked Questions
What are the top-ranked public high schools in Gillette, WY?
The top-ranked public high schools in Gillette, WY include Thunder Basin High School, Campbell County High School and Westwood High School.
How many public high schools are located in Gillette?
5 public high schools are located in Gillette.
What is the racial composition of students in Gillette?
Gillette public high schools minority enrollment is 15% of the student body (majority Hispanic), which is less than the Wyoming public high schools average of 23% (majority Hispanic).