Cluster 1
- Amesbury Middle School
- Pentucket Regional Middle School
- River Valley Charter School
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Cluster 2
- Beverly Middle School
- St. John the Baptist School
- St. John's Preparatory School
- St. Mary of the Annunciation School
- Shore Country Day School
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Cluster 3
- Kennedy Middle School, Natick
- The Meadowbrook School
- Wayland Middle School
- Wellesley Middle School
- Weston Middle School
- Wilson Middle School, Natick
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Cluster 4
- Galvin Middle School, Wakefield
- Lynnfield Middle School
- Stoneham Middle School
- Veterans Memorial Middle School, Melrose
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Cluster 5
- Breed Middle School, Lynn
- Collins Middle School, Salem
- Marblehead Veterans Middle School
- Swampscott Middle School
- Thurgood Marshall Middle School, Lynn
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Cluster 6
- Doherty Middle School, Andover
- John W. Wynn Middle School, Tewksbury
- Richardson Middle School, Dracut
- West Middle School, Andover
- Wood Hill Middle School, Andover
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Cluster 7
- Bigelow Middle School, Newton
- Charles E. Brown Middle School, Newton
- Heath School, Brookline
- Maimonides School
- Oak Hill Middle School, Newton
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Cluster 8
- Buckingham Browne & Nichols School
- Chenery Middle School, Belmont
- Jonas Clarke Middle School, Lexington
- William Diamond Middle School, Lexington
- McCall Middle School, Winchester
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Cluster 9
- Advanced Math and Science Academy Charter School
- Burncoat Middle School, Worcester
- Gibbons Middle School, Westborough
- Melican Middle School, Northborough
- Trinity Catholic Academy
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Cluster 10
- Coakley Middle School, Norwood
- Falmouth Academy
- Milton Academy
- Pierce Middle School, Milton
- Qualters Middle School, Mansfield
- Sharon Middle School
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Cluster 11
- Concord Middle School
- Walsh Middle School, Framingham
- Ephraim Curtis Middle School, Sudbury
- Brooks Middle School, Lincoln
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Cluster 12
- Ipswich Middle School
- Manchester Essex Regional Middle School
- Masconomet Regional Middle School
- Miles River Middle School
- Rockport Middle School
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Cluster 13
- Locke Middle School, Billerica
- Carlisle School
- Blanchard Middle School, Westford
- Stony Brook Middle School, Westford
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Cluster 14
- British International School of Boston, Jamaica Plain
- Young Achievers Science and Mathematics Pilot School
- Boston Latin School
- Edwards Middle School, Charlestown (Boston)
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Cluster 15
- Austin Preparatory School
- Arthur W. Coolidge Middle School, Reading
- Walter S. Parker Middle School, Reading
- Wilmington Middle School
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Pennsylvania
- Altoona Area Junior High School
- Bald Eagle Area Junior High School
- Mount Nittany Middle School
- Park Forest Middle School
- Penn's Valley Area Junior High School
- Young Scholars of Central Pennsylvania Charter School
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