a requirement that prospective teachers, principals, or other school leaders who are enrolled in the academy receive a significant part of their training through clinical preparation that partners the prospective candidate with an effective teacher, principal, or other school leader, as determined by the State, respectively, with a demonstrated record of increasing student academic achievement, including for the subgroups of students defined in
section 6311(c)(2) of this title, while also receiving concurrent instruction from the academy in the content area (or areas) in which the prospective teacher, principal, or other school leader will become certified or licensed that links to the clinical preparation experience;