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Profile Last Updated: 07/01/2019 Grant Information Last Updated: 07/15/2019 eGrant

Samuel N. and Mary Castle Foundation

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Purpose and Activities

The foundation is committed to providing resources to improve the life of Hawaii’s children and families by improving the quality and quantity of early education, K-12, independent schools, and arts and cultural institutions. Preference is given to pre-schools, K-12 independent schools and other organizations which improve the lives of low income children and families.


Established in 1894 in HI, US; Founded as S.N. Castle Memorial Trust in 1894; incorporated as a foundation in 1925 in HI. - The foundation pioneered progressive education in kindergartens in Hawaii, and was one of the founders of the University of Chicago Lab School and the University of Hawaii Lab School


Samuel N. and Mary Castle Foundation

Independent foundation



Bridge Number



Pacific Guardian Ctr., Makai Twr., 733 Bishop St., Ste. 1275 Honolulu, HI United States 96813-4019

Contact Information