- Acton Public Schools - Acton Elementary School
- Arthur R. Gould School-LCYDC
- Auburn Public Schools - Edward Little High School & Park Ave Elementary School
- Brunswick Public Schools - Kate Furbush Elementary
- Cape Elizabeth Public Schools
- Chebeague Island
- Community Regional Charter School
- Connor Consolidated School
- Cutler Public Schools - Bay Ridge Elementary
- Dayton Public Schools
- East Machias Public Schools - Elm Street School
- Easton Public Schools
- Ecology Learning Center
- Ellsworth Public Schools
- Erskine Academy
- Foxcroft Academy
- Greenville Public Schools - Greenville Consolidated School
- Hancock Public Schools
- Harpswell Coast Academy Charter
- Jonesboro Public Schools
- Kingman Elementary School
- Lamoine Public Schools
- Lee Academy
- Lincoln - Region 3
- Machias Public Schools - Machias Memorial High School and Rose M. Gaffney School
- Machiasport Public Schools - Fort O'Brien School
- Maplestone School
- Maine Collaborative School
- Maine School of Science & Mathematics
- Millinocket Public Schools - Granite Street School
- MSAD 46
- Otis Public Schools
- RSU 2 - Dresden Elementary and Hall Dale Middle/High School
- RSU 14 - Jordan Small Middle School and Windham High School
- RSU 15/MSAD 15 - Russell School
- RSU 21 - Kennebunk High School and Sea road School
- RSU 23 - Loranger Memorial School
- RSU 28 - Camden Rockport Elementary and Middle Schools
- RSU 34 - Viola Rand School
- RSU 45 - Washburn Elementary and High School
- RSU 73 - Spruce Mountain Primary School
- RSU 75 - Bowdoin Central and Mt. Ararat High School
- RSU 82
- Saco Public Schools - Governor John Fairfield School
- Sanford Public Schools - Sanford Pride Elementary School
- St. Thomas School
- Washington Academy
- Wesley Public Schools - Wesley Elementary School
- Whiting Public Schools - Whiting Village School
- Wiscasset Public Schools
- Woodford Family Services