University of California Cooperative Extension Mariposa County
- Offers horticultural programs and research for the welfare, development, and protection of lands in Mariposa County. Sponsors 4-H program, home orchard information, planting, and thistle management programs.
- http://cemariposa.ucdavis.edu/

Mariposa County Unified School District
- Sierra Nevada foothills district information, school directory, and administration contact numbers.
- http://www.mariposa.k12.ca.us