%0 Journal Article %T ¡°We¡¯re in This Together¡±: Principals and Teachers as Partners and Learners in Lesson Study %A Marjorie Madden %A Valarie Lee %J NASSP Bulletin %@ 1930-1405 %D 2019 %R 10.1177/0192636519826717 %X This research proposes Lesson Study as a professional development structure that allows principals and teachers in secondary schools to meet the demands of English and disciplinary literacy standards. It is a collaborative study between a university and eight schools. The essential questions is, ¡°How can Lesson Study broaden content knowledge and affect instructional leadership?¡± Data are analyzed using qualitative methods. Findings suggest the possibilities of Lesson Study in creating principal teacher partnerships to address challenges of practice in today¡¯s schools %K instructional leadership %K lesson study %K adolescent literacy %K professional development %U https://journals.sagepub.com/doi/full/10.1177/0192636519826717