- Appleton Public Schools
- Beal Public Schools
- Calais
- Cape Elizabeth Public Schools
- Cherryfield Public Schools
- Community Reg Charter School
- East Millinocket Public Schools
- Edmunds Consolidated School
- Eustis Public Schools
- Glenburn
- Hancock Public Schools
- Harmony Public Schools
- Hope Public Schools
Indian Island - Indian Township
- Jonesport Public Schools
- Lamoine Public Schools
- Lincolnville Public Schools
- Lisbon Public Schools
- Madawaska Public Schools
- Maine Arts Academy
- Medway Public Schools
- Moosabec CSD
- MSAD 27
- MSAD 46
- Orrington Public Schools
- Pleasant Point
- Rockland-Region 8
- RSU 3 - Mt. View High School, Mt. View Middle School
- RSU 4
- RSU 5
- RSU 9 - Cape Cod Hill Elementary School, Mt. Blue High School
- RSU 13 - Oceanside High School, South School
- RSU 18 - China Primary School, Messalonskee High School
- RSU 19
- RSU 20
- RSU 22 - Hampden Academy, Leroy H Smith School
- RSU 24
- RSU 25
- RSU 29
- RSU 31
- RSU 32
- RSU 33
- RSU 35
- RSU 37
- RSU 38 - Marancook Community High School, Readfield Elementary School, Wayne Elementary
- RSU 39
- RSU 40 - Medomak Valley High School, Miller School
- RSU 41
- RSU 44
- RSU 50
- RSU 54 - Mill Stream Elementary School, Skowhegan Area High School
- RSU 56
- RSU 63
- RSU 64
- RSU 67
- RSU 70
- RSU 80
- RSU 83
- RSU 84
- RSU 88
- South Portland Public Schools - Memorial Middle School, South Portland High School
- Sweetser Children Services
- Winthrop Public Schools