Feb 19 No School: President’s Day All Day Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 19 Band Parents Meeting 7:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 19 Boys Basketball: Nashville – IHSA Class 2A Central Regional 7:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 24 Registration for Class of 2028 8:00 am - 11:00 am Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 28 Scholar Bowl: Clinton County Tournament 3:30 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 29 Scholar Bowl: Central, Freeburg, and Fr. McGivney 4:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 3 Winter Concert 6:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 4 Scholar Bowl: IHSA Class 2A Regional 4:30 pm O'Fallon High School 600 South Smiley St, O'Fallon Event Details Get Directions
Mar 4 School Board Meeting 7:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 8 End of Third Quarter All Day Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 8 X-Schedule 8:10 am - 11:15 am Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 11 No School All Day Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 11 Mothers & Friends Meeting 7:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 11 Girls Soccer (V): Southwestern – Metro Cup Showcase 7:30 pm Gordon Moore Park 4550 College Avenue, Alton Event Details Get Directions
Mar 13 Underclass Retreats 8:00 am - 3:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 13 Softball (V): Alton 4:30 pm Alton High School 4200 Humbert Road, Alton Event Details Get Directions
Mar 13 Girls Soccer (V): Roxana – Metro Cup Showcase 5:30 pm SWIC (Southwestern Illinois College) 2500 Carlyle Avenue, Belleville Event Details Get Directions
Mar 14 Underclass Retreats 8:00 am - 3:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 14 Parent-Teacher Confrences 5:30 pm - 7:30 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Mar 15 Underclass Retreats 8:00 am - 3:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
