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Samuel N. and Mary Castle Foundation


Last Updated: 2016-10-25

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

Financial Data

(yr. ended 2014-12-31)

Assets: $47,201,894

Total giving: $1,670,713






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.

Program Area(s)

The grantmaker has identified the following area(s) of interest:

Henry and Dorothy Castle Memorial Fund

This program area targets young children, 0 to age 5, and their families holistically - e.g., health, human service, and educational needs are expected to overlap. Each year a request for proposals is issued, with responses considered at the regularly scheduled meetings of the foundation.

Fields of Interest

  • Arts and culture
  • Child care
  • Child development
  • Child welfare
  • Early childhood education
  • Education
  • Elementary and secondary education
  • Elementary education
  • Family services
  • Historical activities
  • Human services
  • Teacher education
Population Groups
  • Academics
  • Children
  • Children and youth
  • Economically disadvantaged people
  • Low-income and poor people
  • Students

Financial Data

Year ended 2014-12-31

Assets: $47,201,894 (market value)

Expenditures: $2,269,375

Total giving: $1,670,713

Qualifying distributions: $1,979,906