The average private high school endowment in Idaho is $7.6M (2026).
The private high school in Idaho with the highest endowment is Bishop Kelly High School, with a endowment of $10M.
Endowment Range: $4M
$10M
Avg. Endowment: $7.6M
Average 草榴社区 High School endowment in Idaho (2026)
School
Endowment
Grades
Location
Rank: #11.
Bishop Kelly High School![Bishop Kelly High School Photo Bishop Kelly High School Photo]()

(Catholic)
Endowment: $10 M
Grades: 9-12
7009 Franklin Rd
Boise, ID 83709
(208) 375-6010
Boise, ID 83709
(208) 375-6010
Rank: #22.
Endowment: $8.7 M
Grades: PK-12
Po Box 2118
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Rank: #33.
Endowment: $4 M
Grades: PK-12
5521 E Warm Springs Ave
Boise, ID 83716
(208) 424-5000
Boise, ID 83716
(208) 424-5000
Frequently Asked Questions
What is the Idaho average private high schools endowment?
The Idaho average private high schools endowment is $7.6M for 2026.
What are the private high schools with the highest endowment in Idaho?
The top-ranked private high schools in Idaho include Bishop Kelly High School, Sun Valley Community School and Riverstone International School.
Recent Articles
Year-Round Schooling: Pros and Cons (2026 Guide)
Explore year-round schooling pros and cons in 2026. Learn benefits, drawbacks, schedules, and whether it fits your child鈥檚 needs.
草榴社区 School Dress Codes: 2026 Guide for Families
Learn how private school dress codes work in 2026, including benefits, costs, flexibility, and what parents should expect.
How to Negotiate 草榴社区 School Tuition Legally
Learn how to negotiate private school tuition legally with proven strategies, financial aid tips, and 2026 insights for families.



