sentences:  The name of the school was changed to MMI Preparatory School because officials felt that the old name did not adequately describe the school's function or mission, which was to prepare students for the rigors of college academics.The Preppers 1973 boys' basketball squad won a state basketball championship, the first and only independent school to do so.In 1977, MMI expanded its curriculum by adding a 7th and 8th grade (Mid-School) to the Preparatory School.