; and (II) submit an application to the residency program. (ii) Selection criteria An eligible partnership carrying out a teaching residency program under this subsection shall establish criteria for the selection of eligible individuals to participate in the teaching residency program based on the following characteristics: (I) Strong content knowledge or record of accomplishment in the field or subject area to be taught. (II) Strong verbal and written communication skills, which may be demonstrated by performance on appropriate assessments. (III) Other attributes linked to effective teaching, which may be determined by interviews or performance assessments, as specified by the eligible partnership. (3) Principal residency programs (A) Establishment and design A principal residency program under this paragraph shall be a program based upon models of successful principal residencies that serve as a mechanism to prepare principals for success in high-need schools in the eligible partnership and shall be designed to include the following characteristics of successful programs: (i) Engagement of principal residents in rigorous graduate-level coursework to earn an appropriate advanced credential while undertaking a guided principal apprenticeship. (ii) Experience and learning opportunities alongside a trained and experienced mentor principal— (I) whose mentoring shall be based on standards of effective mentoring practice and shall complement the residence program so that school-based clinical practice is tightly aligned with coursework