Transfer Portal 2025 Rankings High School. On3's team transfer portal index utilizes the on3 (p)erformance score to measure a team’s production during the transfer process, compared relative against its roster and not a. You can think of a team's.

The official transfer portal window opened earlier this month and will close on dec. On3’s team transfer portal index utilizes the on3 (p)erformance score to measure a team’s production during the transfer process, compared relative against its roster and not a.