High school basketball implements new free throw and foul rules.

TL;DR
The National Federation of State High School Associations has announced rule changes for free throws and fouls in high school basketball. Teams will now shoot two free throws for common fouls when in the "bonus," and the bonus will be reached for five fouls in a quarter, resetting at the end of each quarter. The changes aim to reduce injury rates on rebounding situations and improve game flow.
- High school basketball introduces free throw, foul rule changes - ESPN ESPN
- A big change is coming to free throws in high school basketball MLive.com
- No more one-and-one. Major rule change coming to IHSAA basketball next season. IndyStar
- High school basketball eliminates 1-and-1 free throws, sets new foul limits in each quarter HighSchoolOT
- Significant free throw rule change coming to high school basketball this winter Lincoln Journal Star
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