Division IA
Division IA (as of 2022): Teams in bold represent DCL members.
Acton-Boxborough High School
Andover High School
Attleboro High School
Barnstable High School
Boston College High School
Boston Latin School
Brockton High School
Brookline High School
Cambridge Rindge and Latin High School
Framingham High School
Franklin High School
Haverhill High School
Lexington High School
Lowell High School
Methuen High School
Natick High School
Needham High School
Newton North High School
Newton South High School
Shrewsbury Senior High School
St. John's Prep. (Danvers)
Saint John's High School (Shrewsbury)
Taunton High School
Wachusett Regional High School
Westford Academy
Weymouth High School