Winthrop High School (Maine), Winthrop Knox County Camden Hills Regional High School, Rockport Mid-Coast School of Technology, Rockland North Haven High School (Maine), North Haven Oceanside High School (Maine), Rockland Vinalhaven High School, Vinalhaven Lincoln County Boothbay Region High School, Boothbay Harbor Lincoln Academy, Newcastle Medomak Valley High School, Waldoboro Wiscasset High School, Wiscasset Oxford County Buckfield Senior High School, Buckfield Dirigo High School, Dixfield Fryeburg Academy, Fryeburg Gould Academy, Bethel Hebron Academy, Hebron Mountain Valley High School, Rumford Oxford Hills Comprehensive High School, South Paris Oxford Hills Technical School, Oxford Region 9 School of Applied Technology, Mexico Sacopee Valley High School, Hiram Telstar High School, Bethel Penobscot County Bangor Christian High School, Bangor Bangor High School, Bangor Brewer High School, Brewer Central High School, Corinth Dexter Regional High School, Dexter Hampden Academy, Hampden Hermon High School, Hermon John Bapst Memorial High School, Bangor Katahdin High School, Stacyville Lee Academy, Lee Mattanawcook Academy, Lincoln Northern Penobscot Tech. Region 3, Lincoln Nokomis Regional High School, Newport Old Town High School, Old Town Orono High School, Orono Penobscot Valley High School, Howland Schenck High School, East Millinocket Stearns High School, Millinocket Tri-County Technical Center, Dexter United Technologies Center, Bangor Piscataquis County Foxcroft Academy, Dover-Foxcroft Greenville High School, Greenville Piscataquis Community High School, Guilford Penquis Valley High School, Milo Sagadahoc County Bath Regional Career and Technical Center, Bath Hyde School, Bath Morse High School, Bath Mount Ararat High School, Topsham Richmond High School (Maine), Richmond Somerset County Carrabec High School, North Anson Forest Hills High School (Maine), Jackman Lawrence High School, Fairfield Madison Area Memorial High School, Madison Maine Central Institute, Pittsfield Skowhegan Area High School, Skowhegan Somerset Career and Technical Center, Skowhegan Upper Kennebec Valley Memorial High School, Bingham Waldo County Belfast Area High School, Belfast Islesboro High School, Isleboro Mount View High School, Thorndike Searsport District High School, Searsport Waldo County Technical Center, Belfast Washington County Calais Middle High School, Calais Coastal Washington County Institute of Technology, Machias East Grand High School, Danforth Jonesport-Beals High School, Jonesport Machias Memorial High School, Machias Narraguagus High School, Harrington Shead High School, Eastport St. Croix Regional Technical Center, Calais Washington Academy, East Machias Woodland Senior High School, Baileyville York County Berwick Academy, South Berwick Biddeford High School, Biddeford Biddeford Regional Center of Technology, Biddeford Kennebunk High School, Kennebunk Marshwood High School, South Berwick Massabesic High School, Waterboro Noble High School, North Berwick Old Orchard