Fairfield-Suisun Unified School District has an enrollment of over 20,400 Transitional Kindergartens through grade 12 students. It is the largest school district and one of the largest employers in Solano County. There are 35 schools consisting of five high schools, including Early College High School, five middle schools, 20 elementary schools, a preschool, several alternative schools of choice, and one adult school.

The district is located in the cities of Fairfield and Suisun. Nearby Interstate 80, Interstate 680, and State Highway 12, provide convenient access to the San Francisco Bay Area and Sacramento regions. Local visitor destinations include the Jelly Belly Factory, Travis Air Force Base; Six Flags Discovery Kingdom in Vallejo, the Napa Valley Wine Country, and premium shopping outlet centers in Vacaville and Napa. There are numerous community-based performing arts organizations, museums, galleries, and festivals. Boating, sailing, bicycling, hiking, and skiing are popular family activities in the area.

Solano County's landscape ranges from rich agricultural land with fresh produce and numerous wineries in the north to rolling hills in the south. Along the southern and western borders are the San Francisco Bay, Carquinez Straits, Suisun Bay, Lake Berryessa, and Sacramento River.

FSUSD offers programs of study that involve a multiyear sequence of courses that integrate core academic knowledge with technical and occupational knowledge. These industry sectors provide students with a pathway to post-secondary education and careers. The classes offered are detailed in the course catalog for each high school.

In addition to the regular K-12 curriculum, FSUSD offers a variety of programs to provide opportunities for students throughout the district.