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Samuel N. and Mary Castle Foundation


Last profile update: 12/30/2017
Last grant data update: 03/19/2018

At A Glance

Samuel N. and Mary Castle Foundation

Pacific Guardian Ctr., Makai Twr., 733 Bishop St., Ste. 1275

Honolulu, HI United States 96813-4019

Telephone: (808) 522-1101


Type of Grantmaker

Independent foundation

Additional Descriptor

  • Family foundation






Established in 1894; 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

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.