The average private high school endowment in Rhode Island is $41.5M (2025-26).
The private high school in Rhode Island with the highest endowment is St. George's School, with a endowment of $230M.
Endowment Range: $1M
$230M
Avg. Endowment: $41.5M
Average Private High School endowment in Rhode Island (2025-26)
School
Endowment
Grades
Location
Rank: #11.
Endowment: $230 M
Grades: 9-12
372 Purgatory Road
Middletown, RI 02842
(401) 842-6600
Middletown, RI 02842
(401) 842-6600
Rank: #22.
Moses Brown School![Moses Brown School Photo Moses Brown School Photo]()

(Friends)
Endowment: $50 M
Grades: NS-12
250 Lloyd Ave
Providence, RI 02906
(401) 831-7350
Providence, RI 02906
(401) 831-7350
Rank: #33.
Portsmouth Abbey School![Portsmouth Abbey School Photo Portsmouth Abbey School Photo]()

(Catholic)
Endowment: $45 M
Grades: 9-12
285 Corys Ln
Portsmouth, RI 02871
(401) 643-1248
Portsmouth, RI 02871
(401) 643-1248
Rank: #44.
The Prout School![The Prout School Photo - The Prout School is a Catholic coeducational college-preparatory school educating students in southern Rhode Island for more than 50 years. The Prout School Photo - The Prout School is a Catholic coeducational college-preparatory school educating students in southern Rhode Island for more than 50 years.]()

(Catholic)
Endowment: $20 M
Grades: 9-12
4640 Tower Hill Rd
Wakefield, RI 02879
(401) 789-9262
Wakefield, RI 02879
(401) 789-9262
Rank: #55.
Endowment: $20 M
Grades: 6-12
63 Federal Rd
Barrington, RI 02806
(401) 246-1230
Barrington, RI 02806
(401) 246-1230
Rank: #66.
Endowment: $3.2 M
Grades: 8-12
2615 Warwick Avenue
Warwick, RI 02889
(401) 889-5425
Warwick, RI 02889
(401) 889-5425
Rank: #77.
Endowment: $2 M
Grades: PK-12
660 Waterman Ave
East Providence, RI 02914
(401) 438-5170
East Providence, RI 02914
(401) 438-5170
Rank: #88.
Endowment: $1.8 M
Grades: NS-12
530 Ives Road
East Greenwich, RI 02818
(401) 884-9070
East Greenwich, RI 02818
(401) 884-9070
Rank: #99.
The Spurwink School
Special Education School
Endowment: $1 M
Grades: 1-12
365 River Rd
Lincoln, RI 02865
(401) 751-5351
Lincoln, RI 02865
(401) 751-5351
Frequently Asked Questions
What is the Rhode Island average private high schools endowment?
The Rhode Island average private high schools endowment is $41.5M for 2025-26.
What are the private high schools with the highest endowment in Rhode Island?
The top ranked private high schools in Rhode Island include St. George's School, Moses Brown School and Portsmouth Abbey School.
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