Central Region
Assabet Valley Collaborative
Serving the Districts of: Assabet Valley Regional, Auburn, Berlin, Boylston, Berlin-Boylston Regional Technical High School, Grafton, Hudson, Marlborough, Maynard, Millbury, Nashoba Regional, Northborough, Southborough, Northborough-Southborough Regional, Shrewsbury, Westborough.
CAPS Education Collaborative
Serving the Districts of: Ashburnham-Westminster Regional, Athol-Royalston Regional, Fitchburg, Gardner, Leominster, Narragansett Regional, Orange Elementary, Petersham Center School, Quabbin Regional, RC Mahar Regional, Winchendon.
Central Massachusetts Collaborative
Serving the Districts of: Worcester, Webster.
Keystone Educational Collaborative
Serving the Districts of: Ashburnham-Westminister, Ayer Shirley Regional, Clinton, Fitchburg, Gardner, Leominster, Lunenberg, North Middlesex Regional, Quabbin Regional, West Boylston, Winchendon.
Southern Worcester County Educational Collaborative
Serving the Districts of: Auburn, Dudley-Charlton, Grafton, Leicester, Millbury, Northbridge, North Brookfield, Oxford, Quaboag Regional (Warren, West Brookfield), Spencer-East Brookfield, Southbridge, Sutton, Tantasqua Regional (Brimfield, Brookfield, Holland, Sturbridge, Wales), Uxbridge, Webster.