Saginaw Intermediate School District (ISD) is an educational service agency that provides effective and innovative leadership, services, resources, and programs throughout Saginaw County. Saginaw ISD provides career and technical education, early childhood, finance, human resources, instruction, pupil accounting, special education, technology, and transportation services. In addition, Saginaw ISD operates multiple educational programs to meet the unique needs of students ages birth to 26 across Saginaw County, including: Hartley Outdoor Education Center, Head Start/Early Head Start and Great Start to Readiness Programs, Great Lakes Bay Early College, Saginaw County Juvenile Detention Center School, and Special Education Center Programs.

Saginaw ISD serves 12 local school districts, five public school academies, and 22 non-public schools, with a total enrollment of approximately 26,000 students. Public school districts supported include: Birch Run Area Schools, Bridgeport-Spaulding Community School District, Carrollton Public Schools, Chesaning Union Schools, Frankenmuth School District, Freeland Community School District, Hemlock Public School District, Merrill Community Schools, Saginaw Public School District, Saginaw Township Community Schools, St. Charles Community Schools, and Swan Valley School District.

Serve. Innovate. Empower.

Saginaw ISD's purpose is to serve, innovate, and empower the students, families, communities, and stakeholders served throughout Michigan. To serve is to perform duties or services for another person or organization. To innovate is to make changes in something established, especially by introducing new methods, ideas, or products. To empower is to make an individual or community stronger and more confident.