Craig Martin, principal of the Arthur W. Coolidge Middle School, has been appointed as the district’s next assistant superintendent for learning and teaching. He will assume his new role July 1, according to a statement released by Superintendent John Doherty. Martin, who has been an educator in Reading since 1997, will be replacing current assistant superintendent Patty de Garavilla, who is retiring. Martin began his career in Reading as an English teacher at Coolidge; he was appointed principal of the school in 2005. Martin will work with the director of student services, behavioral health coordinator, administrators, and teachers to integrate the standards, learning initiatives, and instructional practices for all students. District officials will soon outline the search process for the next principal for Coolidge Middle School, Doherty said.