High school graduation requirements; application. Provides that, in the event that the Board of Education establishes or modifies any graduation requirements or diploma pathways, the Board shall only apply such new or modified graduation requirements or diploma pathways to students who enter ninth grade at the beginning of or after the first school year of implementation of such new or modified graduation requirements or diploma pathways. The bill is applicable beginning with students who enter the ninth grade on or after the beginning of the 2027-2028 school year. This bill is identical to SB 724.