; and (B) designing (or redesigning) teacher or school leader preparation programs that— (i) prepare teachers or school leaders to serve in low-performing schools and close student achievement gaps, and that are based on rigorous academic content, evidence-based research, and challenging State academic standards as described in section 1111(b)(1) of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6311(b)(1) ); and (ii) promote effective teaching skills. (2) Providing sustained and high-quality preservice clinical experience, including the mentoring of prospective teachers by teacher leaders, substantially increasing interaction between faculty at institutions of higher education and new and experienced teachers, principals, school leaders, and other administrators at elementary schools or secondary schools, and providing support, including preparation time, for such interaction. (3) Developing and implementing initiatives to promote retention of teachers who meet such applicable State certification and licensure requirements or qualifications, and principals and other school leaders, including minority teachers, principals and other school leaders, including programs that provide— (A) teacher or principal and other school leader mentoring