Malden Catholic Lancers – Boys Mansfield Hornets – Boys Mansfield/Oliver Ames/Foxboro Warriors – Girls Marblehead Magicians – Girls Marblehead Magicians – Boys Marlboro Panthers – Boys Marshfield Rams – Boys Marshfield Rams – Girls Martha's Vineyard Vineyarders – Girls Marthas Vineyard Vineyarders – Boys Masconomet Chieftains – Boys Masconomet Chieftains – Girls Mashpee/Monomoy Monarchs – Boys Matignon Warriors – Boys Matignon Warriors – Girls Medfield Warriors – Boys Medfield/Norton Warriors – Girls Medford Mustangs – Boys Medford/Malden Mustangs – Girls Medway Mustangs – Boys Medway/Ashland Mustangs – Girls Melrose Red Raiders – Boys Melrose Red Raiders – Girls Methuen Rangers – Boys Middleboro/Hull Pirates – Boys Milton Wildcats – Boys Milton Wildcats – Girls Minnechaug Falcons – Boys Minuteman Mustangs – Boys Mt Everett Eagles – Boys