The average private high school endowment in Maryland is $74.2M (2025-26).
The private high school in Maryland with the highest endowment is Oneness-Family High School, with a endowment of $596M.
Endowment Range: $1M
$596M
Avg. Endowment: $74.2M
Average Private High School endowment in Maryland (2025-26)
School
Endowment
Grades
Location
Rank: #11.
Oneness-Family High School
Montessori School
Endowment: $596 M
Grades: 9-12
9411 Connecticut Ave
Kensington, MD 20895
(301) 652-7751
Kensington, MD 20895
(301) 652-7751
Rank: #22.
Sheppard Pratt School and Residential Treatment Center - Towson
Alternative School
Endowment: $571 M
Grades: 8-12
6501 N Charles St - A Building
Towson, MD 21204
(410) 938-4498
Towson, MD 21204
(410) 938-4498
Rank: #33.
Endowment: $78 M
Grades: 5-12
11152 Falls Rd
Brooklandville, MD 21022
(410) 825-4400
Brooklandville, MD 21022
(410) 825-4400
Rank: #4 - 64. - 6.
Ivymount School
Special Education School
Endowment: $50 M
Grades: 1-12
11614 Seven Locks Rd
Potomac, MD 20854
(301) 469-0223
Potomac, MD 20854
(301) 469-0223
Rank: #4 - 64. - 6.
Roland Park Country School![Roland Park Country School Photo - What makes RPCS such an empowering school? The unique relationships created between students from K-12. From our kindergarten and 1st graders being paired and performing with our Upper School singing and dancing groups, to Upper School STEM classes hosting probability carnivals for Lower School, or Middle School students speaking to Lower School, we treasure and nurture these bonds.]( "Roland Park Country School Photo - What makes RPCS such an empowering school? The unique relationships created between students from K-12. From our kindergarten and 1st graders being paired and performing with our Upper School singing and dancing groups, to Upper School STEM classes hosting probability carnivals for Lower School, or Middle School students speaking to Lower School, we treasure and nurture these bonds.")
All-girls
Endowment: $50 M
Grades: K-12
5204 Roland Avenue
Baltimore, MD 21210
(410) 323-5500
Baltimore, MD 21210
(410) 323-5500
Rank: #4 - 64. - 6.
St. Anns High School
All-girls | Alternative School
Endowment: $50 M
Grades: 9-12
4901 Eastern Avenue
Hyattsville, MD 20782
(301) 559-5500
Hyattsville, MD 20782
(301) 559-5500
Rank: #77.
Endowment: $44 M
Grades: NS-12
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Owings Mills, MD 21117
(410) 559-3111
Rank: #88.
Endowment: $43 M
Grades: PK-12
5114 N Charles St
Baltimore, MD 21210
(410) 649-3210
Baltimore, MD 21210
(410) 649-3210
Rank: #99.
Endowment: $37 M
Grades: 6-12
815 Hampton Lane
Towson, MD 21286
(410) 825-6202
Towson, MD 21286
(410) 825-6202
Rank: #1010.
Endowment: $35 M
Grades: PK-12
1901 E Jefferson Street
Rockville, MD 20852
(301) 692-4803
Rockville, MD 20852
(301) 692-4803
Rank: #1111.
Endowment: $32 M
Grades: 1-12
11 Celadon Rd
Owings Mills, MD 21117
(410) 653-2700
Owings Mills, MD 21117
(410) 653-2700
Rank: #1212.
Endowment: $27 M
Grades: 3-12
6101 Wilson Lane
Bethesda, MD 20817
(301) 320-1067
Bethesda, MD 20817
(301) 320-1067
Rank: #1313.
Endowment: $25 M
Grades: NS-12
534 Hillsmere Drive
Annapolis, MD 21403
(410) 263-9231
Annapolis, MD 21403
(410) 263-9231
Rank: #1414.
Endowment: $20 M
Grades: NS-12
201 Water St
Severna Park, MD 21146
(410) 647-7700
Severna Park, MD 21146
(410) 647-7700
Rank: #1515.
St. John's Catholic Prep
(Catholic)
Endowment: $14 M
Grades: 9-12
3989 Buckeystown Pike
Buckeystown, MD 21717
(301) 662-4210
Buckeystown, MD 21717
(301) 662-4210
Rank: #1616.
Endowment: $10 M
Grades: 8-12
17641 College Road
Hagerstown, MD 21740
(301) 733-9330
Hagerstown, MD 21740
(301) 733-9330
Rank: #17 - 1917. - 19.
Endowment: $5 M
Grades: NS-12
12793 Folly Quarter Road
Ellicott City, MD 21042
(410) 531-7347
Ellicott City, MD 21042
(410) 531-7347
Rank: #17 - 1917. - 19.
Endowment: $5 M
Grades: PK-12
8410 Piney Orchard Pkwy
Odenton, MD 21113
(410) 305-2380
Odenton, MD 21113
(410) 305-2380
Rank: #17 - 1917. - 19.
Endowment: $5 M
Grades: 9-12
22600 Camp Calvert Road
Leonardtown, MD 20650
(301) 373-4184
Leonardtown, MD 20650
(301) 373-4184
Rank: #20 - 2120. - 21.
Endowment: $4 M
Grades: 9-12
3701 Sinclair Ln
Baltimore, MD 21213
(410) 485-5000
Baltimore, MD 21213
(410) 485-5000
Rank: #20 - 2120. - 21.
Endowment: $4 M
Grades: PK-12
1130 Anne Chambers Way
Crownsville, MD 21032
(410) 923-3660
Crownsville, MD 21032
(410) 923-3660
Rank: #22 - 2322. - 23.
Endowment: $1 M
Grades: 9-12
911 Gunston Rd
Centreville, MD 21617
(410) 758-0620
Centreville, MD 21617
(410) 758-0620
Rank: #22 - 2322. - 23.
Endowment: $1 M
Grades: PK-12
680 Evergreen Road
Crownsville, MD 21032
(410) 923-1171
Crownsville, MD 21032
(410) 923-1171
Frequently Asked Questions
What is the Maryland average private high schools endowment?
The Maryland average private high schools endowment is $74.2M for 2025-26.
What are the private high schools with the highest endowment in Maryland?
The top ranked private high schools in Maryland include Oneness-Family High School, Sheppard Pratt School and Residential Treatment Center - Towson and St. Pauls School for Boys.
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