August 15, 2022 @ 8:10 am - 2:50 pm First Day for Freshmen Mater Dei Catholic High School 900 North Mater Dei Drive, Breese
August 15, 2022 @ 7:00 pm - 8:30 pm Parent Orientation (new students) Mater Dei Catholic High School 900 North Mater Dei Drive, Breese
August 16, 2022 @ 8:10 am - 2:50 pm First Day for All Students Mater Dei Catholic High School 900 North Mater Dei Drive, Breese
August 16, 2022 @ 9:40 am Opening of the Year Mass Mater Dei Catholic High School 900 North Mater Dei Drive, Breese
August 16, 2022 @ 1:00 pm Boys Golf (V): Alton Redbird Tee-Off Classic Spencer T Olin Golf Course 4701 College Avenue, Alton
August 20, 2022 @ 1:00 pm Boys Golf (V): The Battle at Rend Lake Rend Lake Golf Course 12476 Golf Course Road, Whittington
August 20, 2022 @ 1:00 pm Girls Golf (V): Marquette Blast Off Tournament Spencer T Olin Golf Course 4701 College Avenue, Alton