- Grades 7th & 8th. - One weeknight practice per week. - Game times and locations will vary. - Please purchase a size 7 (29.5) basketball to bring with you to practice. - Basket height is the regulation 10 foot rim. NOT ALLOWED: Earrings, Shorts with Pockets, and Hair Beads. Berkley Hoops Officials actively monitor for jewelry, hard hair accessories and unsafe clothing options that can be caught on other players. Safety concerns will be removed from play.