- Caddo Nation Child Development Program (Head Start)
- Central Tribes of the Shawnee Area Inc. (Head Start/Early Head Start)
- Cherokee Nation (Head Start/Early Head Start)
- Cheyenne-Arapaho Tribes (Head Start)
- The Chickasaw Nation (Head Start)
- Choctaw Nation of Oklahoma (Head Start)
- Iowa Tribe of Oklahoma (Early Head Start)
- Kickapoo Tribe of Oklahoma (Head Start)
- Kiowa Tribe (Head Start)
- Muscogee (Creek) Nation (Head Start)
- Osage Nation (Head Start)
- Otoe-Missouria (Head Start)
- Ponca Tribe of Oklahoma (Head Start)
- Seminole Nation (Head Start/Early Head Start)
- University of Oklahoma American Indian Institute (Early Head Start)