Average Private School endowment in Idaho (2026-27)

Show school map — Idaho (endowment range: $2–$50, avg $15)

Endowment Range: $2.3M $50M Avg. Endowment: $15.3M

Average Private School endowment in Idaho (2026-27)

Showing 5 schools

#1Logan Christian Academy

Gr: K-7 | 7 students

Avg. class size: 13 students

Alternative School (Christian)

219 N Roosevelt St

Boise, ID 83706

(208) 912-2783

$50endowment

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#2(T2–T3)Bishop Kelly High School

Gr: 9-12 | 945 students

Avg. class size: 21 students

Sports: 19 | Extracurriculars: 32

Catholic

7009 Franklin Rd

Boise, ID 83709

(208) 375-6010

$10endowment

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#2(T2–T3)Sun Valley Community School

Gr: PK-12 | 423 students

Avg. class size: 15 students

Sports: 22 | Extracurriculars: 11

Po Box 2118

Sun Valley, ID 83353

(208) 622-3960

$10endowment

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#4Riverstone International School

Gr: PK-12 | 355 students

Avg. class size: 15 students

Sports: 11 | Extracurriculars: 21

5521 E Warm Springs Ave

Boise, ID 83716

(208) 424-5000

(11)

$4endowment

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#5 St. Mary's Catholic School

Gr: NS-8 | 107 students

Avg. class size: 14 students

Extracurriculars: 2

Catholic

412 N Monroe St

Moscow, ID 83843

(208) 882-2121

(1)

$2endowment

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Frequently Asked Questions

What is the Idaho average private schools endowment?

The Idaho average private schools endowment is $46.1M for 2026-27.

What are the private schools with the highest endowment in Idaho?

The top ranked private schools in Idaho include Logan Christian Academy, Bishop Kelly High School and Sun Valley Community School.

What is private high school and private elementary school with the highest endowment in Idaho?

The private high school with the highest endowment in Idaho is Bishop Kelly High School, with a value of $10.0M. The private elementary school with the highest endowment is Logan Christian Academy, with a value of $50.0M.

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