The San Joaquin Delta Community College District is composed of:

  1. All high school and unified school districts wholly within San Joaquin County, except Ripon Unified School District;
  2. Tracy Joint Union High School District, of San Joaquin and Alameda Counties;
  3. Galt Joint Union High School District, of San Joaquin and Sacramento Counties;
  4. That portion of River Delta Unified School District which was formerly known as the Rio Vista Joint Union High School District, of Sacramento and Solano Counties; and,
  5. Calaveras Unified School District, of Calaveras County, except that portion known as the Copperopolis and Salt Spring Valley School Districts.

Amador County is recognized as a San Joaquin Delta Community College District Service Area.