SOUTH PLAINFIELD, NJ–Week Six of the 2021 Union County High School Football season didn’t show any changes at the top. Union remains atop of the poll with Cranford, Summit, Hillside right behind in the places where they were last week. Changes begin at the No. 5 spot with New Providence moving up to there, and Scotch Plains-Fanwood leaped into the No. 6 spot over Linden, which it defeated on Friday night. Elizabeth moves up to 8th while Rahway and Plainfield make their first appearances in the Union County Top 10 this season. Current record in parenthesis.
- Union (5-1)
- Cranford (5-0)
- Summit (5-1)
- Hillside (4-1)
- New Providence (4-1)
- Scotch Plains-Fanwood (4-3)
- Linden (3-2)
- Elizabeth (3-3)
- Rahway (2-3)
- Plainfield (2-3)
Other teams considered: Westfield (2-3), Roselle (3-2), David Brearley (3-2), Jonathan Dayton (2-3), Governor Livingston (0-5), Roselle Park (1-3), and A.L. Johnson (1-5).