Complex sentence: The school is named after Marion M. Graham, an educator who taught in Saskatoon for thirty years and served as a member of the Saskatoon Public School Board from 1967 to 1982.
Split into simpler sentences: The school is named after Marion M. Graham, an educator who worked in Saskatoon. Miss Graham taught in Saskatoon for thirty years after she served as a member of the Saskatoon Public School Board from 1967 to 1982.