Feb 14 Ash Wednesday Mass 9:40 am Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 15 Scholar Bowl: Freeburg, Metro-East Lutheran, and Triad 4:00 pm Metro-East Lutheran High School 6305 Center Grove Rd, Edwardsville Event Details Get Directions
Feb 15 Boys Basketball (JV-V): Granite City 6:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 16 No School: Tri-County Institute All Day Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 16 Girls Basketball: Nashville – IHSA Class 2A Mater Dei Regional 7:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
Feb 17 Scholar Bowl: Masonic Academic Bowl Sectional 8:45 am Greenville High School 1000 IL-140, Greenville Event Details Get Directions
Feb 17 Band Parents Knight at the Races 6:00 pm Mater Dei Catholic High School 900 North Mater Dei Drive, Breese Event Details Get Directions
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