This six-division alignment is being used for the first time with the 34 schools that play girls basketball in the Greater Middlesex Conference. This alignment is good for the 2025-26 season.
BLUE AMERICAN DIVISION
- Calvary Christian
- Dunellen
- Mother Seton
- New Brunswick
- South River
- Wardlaw-Hartridge
BLUE NATIONAL DIVISION
- East Brunswick Magnet
- Perth Amboy Magnet
- Piscataway Magnet
- Somerset Tech
- South Amboy
- Woodbridge Magnet
RED AMERICAN DIVISION
- East Brunswick
- Monroe
- North Plainfield
- Piscataway
- St. Thomas Aquinas
- South Brunswick
RED NATIONAL DIVISION
- Colonia
- Edison
- Middlesex
- Old Bridge
- Spotswood
WHITE AMERICAN DIVISION
- J.P. Stevens
- North Brunswick
- South Plainfield
- Woodbridge
WHITE NATIONAL DIVISION
- Carteret
- Highland Park
- J.F. Kennedy
- Metuchen
- Sayreville
- Perth Amboy
- Timothy Christian