The average private high school in Wyoming was founded around 1986 (2026).
The oldest private high school in Wyoming is Colter High School, founded in 1905.
Year Founded Range: 1905
2011
Avg. Year Founded: 1986
Oldest Private High Schools in Wyoming (2026)
School
Founding Date
Grades
Location
Rank: #11.
Colter High School
All-boys | Alternative School
Founding Date: 1905
Grades: 8-12
1550 Us Highway 20 S
Worland, WY 82401
(307) 347-6144
Worland, WY 82401
(307) 347-6144
Rank: #22.
Jackson Hole Christian Academy
(Christian)
Founding Date: 1985
Grades: K-12
1450 S Park Loop Rd
Jackson, WY 83001
(307) 733-1941
Jackson, WY 83001
(307) 733-1941
Rank: #33.
Trinity Lutheran Classical School ![Trinity Lutheran Classical School Photo]( "Trinity Lutheran Classical School Photo")
(Lutheran Church Missouri Synod)
Founding Date: 1991
Grades: PK-9
419 E Park Ave
Riverton, WY 82501
(307) 857-5710
Riverton, WY 82501
(307) 857-5710
Rank: #44.
Founding Date: 1996
Grades: K-12
2300 S Hickory St
Casper, WY 82604
(307) 234-6865
Casper, WY 82604
(307) 234-6865
Rank: #55.
Destiny Christian Academy ![Destiny Christian Academy Photo - Elementary Classroom]( "Destiny Christian Academy Photo - Elementary Classroom")
(Baptist)
Founding Date: 1998
Grades: K-12
215 E 8th St
Cheyenne, WY 82007
(307) 635-3759
Cheyenne, WY 82007
(307) 635-3759
Rank: #66.
Youth Emergency Services
Alternative School
Founding Date: 2001
Grades: 7-12
905 N Gurley Ave
Gillette, WY 82716
(307) 686-0669
Gillette, WY 82716
(307) 686-0669
Rank: #77.
Founding Date: 2004
Grades: 9-12
1715 High School Road, #240
Jackson, WY 83001
(307) 733-5427
Jackson, WY 83001
(307) 733-5427
Rank: #88.
Jackson Hole Classical Academy ![Jackson Hole Classical Academy Photo]( "Jackson Hole Classical Academy Photo")
(Christian)
Founding Date: 2011
Grades: K-12
2500 South Park Loop Road
Jackson, WY 83001
(307) 201-5040
Jackson, WY 83001
(307) 201-5040
Frequently Asked Questions
What is the Wyoming average private high schools founding year?
The Wyoming average private high schools founding year is 1986 for 2026.
What are the private high schools with oldest founding year in Wyoming?
The top-ranked private high schools in Wyoming include Colter High School, Jackson Hole Christian Academy and Trinity Lutheran Classical School.
Recent Articles
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.
