August 27 Grade 9 Team Building Cathedral High School 74 Union Park Street, Boston, MA, United States
August 28 Grades 7 & 8 Orientation Cathedral High School 74 Union Park Street, Boston, MA, United States
August 29 Grades 7 & 8 Team Building Cathedral High School 74 Union Park Street, Boston, MA, United States
September 4 First day of school Cathedral High School 74 Union Park Street, Boston, MA, United States
September 13 Final day for course enrollment Cathedral High School 74 Union Park Street, Boston, MA, United States
September 17 Family Orientation and Curriculum Night Cathedral High School 74 Union Park Street, Boston, MA, United States