Malden Catholic Lancers – Boys

Mansfield Hornets – Boys

Mansfield/Oliver Ames/Foxboro Warriors – Girls

Marblehead Magicians – Boys

Marblehead Magicians – Girls

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