; (ii) requires each student in the program to demonstrate strong potential to improve student academic achievement, based on a rigorous selection process that reviews a candidate’s prior academic achievement or record of professional accomplishment (including, as applicable, a demonstrated record of increasing student academic achievement for all students and for the subgroups of students defined in section 1111(c)(2) of the Elementary and Secondary Education Act of 1965 prior to a student’s being accepted into and entering a program); and (iii) requires each student in the program to participate in intensive clinical experience in a school-based setting (including by assuming substantial leadership responsibilities) where the student can be evaluated on leadership skills and on his or her effect on student outcomes as part of program completion. (18) Professional development The term professional development has the meaning given the term in section 8101 of the Elementary and Secondary Education Act of 1965. (19) School leader The term school leader has the meaning given the term in section 8101 of the Elementary and Secondary Education Act of 1965. (20) Teaching residency program The term teaching residency program means a school-based teacher preparation program in which a prospective teacher— (A) for one academic year, teaches alongside a mentor teacher, who is the teacher of record; (B) receives concurrent instruction during the year described in subparagraph (A) from an eligible partner described in any of clauses (i) through (vi) of paragraph (6)(B), which courses may be taught by local educational agency personnel or residency program faculty, in the teaching of the content area in which the teacher will become certified or licensed; (C) acquires effective teaching skills