This six-division alignment is being used for the first time with the 33 schools that play boys basketball in the Greater Middlesex Conference. This alignment is good for the 2025-26 season.
BLUE AMERICAN DIVISION
- Dunellen
- Highland Park
- New Brunswick
- Piscataway Magnet
- South Amboy
- South River
BLUE NATIONAL DIVISION
- Calvary Christian
- East Brunswick Magnet
- Perth Amboy Magnet
- Somerset Tech
- Wardlaw
RED AMERICAN DIVISION
- Colonia
- Old Bridge
- Piscataway
- St. Joseph’s
- St. Thomas Aquinas
RED NATIONAL DIVISION
- East Brunswick
- Monroe
- Sayreville
- South Plainfield
- Woodbridge
WHITE AMERICAN DIVISION
- Edison
- J.P. Stevens
- North Brunswick
- North Plainfield
- Perth Amboy
- South Brunswick
- Timothy Christian
WHITE NATIONAL DIVISION
- Carteret
- J.F. Kennedy
- Metuchen
- Middlesex
- Spotswood