This mixed method study explored and analyzed instructional strategies utilized by algebra teachers whose students' coursework culminated in the New York State Regents Examination in Integrated Algebra and for whom 50% of the tested cohort earned mastery level (85 or higher) on the examination. The targeted populations were eighth or ninth grade…

School-based professional development has been promoted by the government in England through its Continuing Professional Development Strategy (DfEE, 2001), however, the context and culture of the school in which the learning takes place is highly influential. Particularly important in teachers' professional development within secondary education…