The four-divisional format will be used for the following team sports: boys and girls cross country, boys and girls soccer, boys and girls basketball, boys and girls indoor and outdoor track, golf, baseball, softball, and girls volleyball.

Hammonasset
Foran, Guilford, Daniel Hand, Hillhouse, Jonathan Law

Housatonic
Amity, Cheshire, Lyman Hall, Shelton, Sheehan

Quinnipiac
Hamden, Xavier, Mercy, Notre Dame, Sacred Heart, Fairfield Prep, West Haven, Lauralton Hall (new in 2014-15)

Oronoque
Branford, Career, East Haven, North Haven, Wilbur Cross

* Note: Hillhouse/Career have a co-op team in boys soccer and compete in the Hammonasset Division.

The divisional structure for football is:

Division I - West
Shelton, Fairfield Prep, Hamden, Xavier, Amity

Division I - East
West Haven, Cheshire, Notre Dame, Wilbur Cross, Daniel Hand

Division II - West
Branford, Hillhouse, Lyman Hall, Guilford, Jonathan Law

Division II - East
East Haven, North Haven, Sheehan, Foran

The divisional structure for boys ice hockey (for 2014-15 with SWC) is:

Division I

Fairfield Prep, Hamden, Notre Dame-West Haven, West Haven, Xavier, Notre Dame-Fairfield

Division II

Amity Regional, Branford, Cheshire, East Haven, Guilford, Daniel Hand, Milford, New Milford, North Branford, North Haven, Watertown-Pomperaug

Division III

Bethel/Brookfield/Danbury, Joel Barlow, Lyman Hall, Masuk, New Fairfield/Immaculate, Newtown, Sheehan, Shepaug

The divisional structure for wrestling is:

Division A
Amity, Cheshire, Hand, Law, Xavier

Division B
Fairfield Prep, Guilford, Shelton, Branford, East Haven, Foran, New Haven

The following sports have a one or two divisional structure (but are scheduled using a tier-system) and compete as one conference in  field hockey, gymnastics, boys and girls lacrosse, girls and boys swimming and tennis.