December 4 @ 6:00 pm Girls Basketball (JV-V): Central Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 4 @ 7:00 pm School Board Meeting Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 8 @ 9:40 am Immaculate Conception Mass Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 9 @ 8:00 am - 12:00 pm ACT Testing Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 9 @ 9:00 am - 12:15 pm Class of 2028 Placement Test Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 9 @ 10:00 am Girls Basketball (Fr): Belleville East Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 9 @ 6:00 pm Boys Basketball (JV-V): Pinkneyville Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 11 @ 6:00 pm Girls Basketball (JV-V): Highland Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 11 @ 6:30 pm Mothers & Friends Christmas Party Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 13 @ 6:00 pm Girls Basketball (Fr): Central Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 15 @ 6:00 pm Boys Basketball (JV-V): Gibault Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 17 @ 6:00 pm Christmas Concert Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 18 @ 7:00 pm Fathers & Friends Meeting Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 18 @ 7:00 pm Band Parents Meeting Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 19 Semester Exams Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 20 Semester Exams Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 20 @ 6:00 pm Boys Basketball (Fr-So): Mascoutah Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 21 Semester Exams Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 21 End of Second Quarter and First Semester Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States
December 21 @ 11:00 am Early Dismissal Mater Dei Catholic High School 900 North Mater Dei Drive, Breese, IL, United States