The new 2025 divisional breakdowns are as listed below in alphabetical order:
Watchung Division
Brearley
Elizabeth
Oak Knoll
Scotch Plains
Summit
Westfield
Mountain Division
Cranford
Governor Livingston
Johnson
New Providence
Roselle Park
Union
Union Catholic
Valley Division
Dayton
Hillside
Kent Place
Linden
Plainfield
Rahway
Roselle Catholic