Research estimates high school athletes experience between 130,000 and 300,000 concussions every year.
The Indiana High School Athletic Association Board of Directors has approved the new rule.
Non-school sponsored athletic facilities are conducting clinics for students and trying to influence them to attend a school where they are coaching.
A state senator says she may seek a referendum on single-class basketball, despite overwhelming disapproval from players and administrators.
The governing organization for Indiana high school sports issued a report Friday diminishing the hopes for a return to single-class state basketball.
IHSAA has voted to create a sixth class and create a point system for Indiana's football leagues.
Of those attending the town hall meetings, 68 percent favor returning to the original single-class basketball format.
Not since 1997, when Bloomington North won the boys title, has the state held a single basketball tournament for all high schools in the state.
Milan High School Legend Bobby Plump say single-class basketball adds more excitement to the sport.
The IHSAA is taking a straw poll at each meeting and will release the results of those votes.