- Bangor Public Schools
- Biddeford Public Schools
- Brooklin Public Schools
- Caswell Public Schools
- Deer Isle-Stonington CSD
- Falmouth Public Schools
- Fayette Public Schools
- Five Town CSD
- Fryeburg Academy
- Glenn Stratton Learning Center
- Gorham Public Schools
- Greenbush Public Schools
- Lincoln Academy
- Maine Academy of Natural Sciences
- Northport Public Schools
- Opportunity Training Center
- Portland Public Schools
- RSU06
- RSU 17
- RSU 51
- RSU 55
- RSU 59
- RSU 68
- RSU 71
- RSU 74
- RSU 78
- RSU 79
- RSU 87
- RSU 89
- Sebago Public Schools
- Sedgwick Public Schools
- Vassalboro Public Schools
- Waterville Public Schools
- Westbrook Public Schools
- Winslow Schools
- Woodland Public Schools
- Yarmouth Public Schools