Private School Review - Established 2003
Sun Valley Community School Top 3 · Lowest Acceptance Rate (ID)
Riverstone International School Top 3 · Highest Avg. SAT Score (ID)

Average Private Elementary School Endowment in Idaho

The average private elementary school endowment in Idaho is $0M (2026-27).
The private elementary school in Idaho with the highest endowment is Sun Valley Community School, with a endowment of $10M.

Quick Facts (26-27)

  • # ID Schools Ranked: 3
  • Top 20 Range (Endowment): $2M–$10M
  • ID School Avg.: $5M
  • National School Avg.: $18M

Quick Facts (26-27)

  • # ID Schools Ranked: 3
  • Top 20 Range (Endowment): $2M–$10M
  • ID School Avg.: $5M
  • National School Avg.: $18M
Show school map — Idaho (endowment range: $2M–$10M, avg $5M)
Endowment Range: $2.3M $10M Avg. Endowment: $5.4M

Average Private Elementary School Endowment in Idaho (2026-27)

Showing 3 schools
Sun Valley Community School Photo
#1Sun 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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Riverstone International School Photo
#2Riverstone 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
View Profile
Map of St. Mary's Catholic School
#3 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
View Profile

Frequently Asked Questions

What are the private elementary schools with the highest endowment in Idaho?
The top ranked private elementary schools in Idaho include Sun Valley Community School, Riverstone International School and St. Mary's Catholic School.

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