The St. Clair County Regional Educational Service Agency is one of 57 intermediate school districts in Michigan. It provides cost-efficient support services to the county’s seven K–12 public school districts.

The school districts of St. Clair County represent a diverse mix of cultures. The Port Huron Area School District operates in a middle sized city environment. East China, Marysville, and Algonac schools are in suburban areas. Memphis, Capac, and Yale schools are in rural settings.