• Announcements

    Enjoy the Cardinals-Blue Jays Game & Support Mater Dei Baseball

    Support Mater Dei Baseball’s opportunity to play at Busch Stadium by purchasing tickets to watch the St. Louis Cardinals take on Mater Dei alumnus Trevor Richards’ Toronto Blue Jays on Saturday, April 1, 2023, at 1:15 p.m.! Seats for the Cardinals-Blue Jays ($40 per ticket) are located in the upper...   Read More

    Class of 2027 Information Night: January 19

    We invite families of 8th grade students – both parents and students – to truly explore the unique aspects of Mater Dei at our Class of 2027 Information Night on Thursday, January 19 from 7:00 p.m. to 9:00 p.m. This event provides the opportunity to obtain information about our successful...   Read More

    Baseball Camp: January 28

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    Students in grades 3 through 8 are invited to prepare for the upcoming baseball season by attending our baseball camp on Saturday, January 28, from 10:00 a.m. to 12:30 p.m.! For specific details, as well as registration information, visit the following link: 2023 Mater Dei Baseball Camp We look forward...   Read More

    Knight at the Races: February 18

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    For the benefit of our music programs, Band Parents will host Knight at the Races on Saturday, February 18, from 6 p.m. to 11 p.m.  Gather your friends and family for a fun evening “at the track!”   JOIN US The doors will open at 6 p.m. and the races will...   Read More

    Join the Mater Dei Family

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    Looking for an environment focused on family? Mater Dei is a must-see!   Faith . . . Our students learn, live, and share their faith. Atmosphere . . . Our environment nurtures the spiritual, moral, intellectual, emotional, and social growth of our students. Mentoring . . . Our knowledgeable and...   Read More

  • Upcoming Events

    Scholar Bowl: Heartland Catholic Scholar Bowl Tournament

    January 28
    Mater Dei Catholic High School

    Boys Bowling: IHSA State Final

    January 28
    St. Clair Bowl

    Cheerleading (V): IHSA Sectional

    January 28
    O’Fallon Township High School

    Baseball Camp (grades 3-8)

    January 28 @ 10:00 am - 12:30 pm
    Mater Dei Catholic High School

    Girls Basketball (Fr-JV-V): Nashville

    January 28 @ 12:00 pm
    Nashville High School