Mater Dei High School
Forward in Vision, Rooted in Tradition

About MD
Mater Dei is a distinguished destination of excellence in academics and technology, the arts, faith and service, campus life, and athletics. We are proud to be Orange County’s oldest and largest Catholic high school.
Admissions
Your journey to becoming a Monarch starts here! Tour campus, schedule a shadow day, begin your application, and more. We are excited for you to join the MD family!
Programs
Built on Catholic fellowship and intellectual rigor, our programs in academics, technology, athletics, faith and service, and the arts provide unlimited opportunities for student success. Comprehensive counseling and wellness resources educate and bolster families throughout the high school journey.
Faith in Action
Guided by the articulation of Catholic Social Teachings, Mater Dei prioritizes the faith development of our students with an emphasis on Christian service. We believe this allows our students to grow in their spiritual lives while living our gospel values through giving back to others and truly experiencing the face of God.
Campus Life
Through avenues of leadership, faith, shared interests, and extracurricular activities and events, students can make Mater Dei their own. Get involved today!
Community
Tradition never graduates. Alumni, lifetime parents, grandparents, and friends are a vital and vibrant aspect of our community. Once a Monarch, always a Monarch.
Giving

Events

Jan 7 Mon
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 9 Wed
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 14 Mon
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 16 Wed
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 17 Thu
- Performing Arts Mass 7:30 AM – 8:30 AM (MD)
Jan 19 Sat
- Jazz Band: Special Private Performance
Jan 20 Sun
- Band at Color Guard Competition (MD)
Jan 21 Mon
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 22 Tue
- Disney Soundtrack: Honors Winds/Percussion/Strings
Jan 23 Wed
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 24 Thu
- Marching Band/Guard @ 8th Grade Info Night #2 4 PM – 8 PM (MD)
Jan 28 Mon
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
Jan 29 Tue
- Jazz Band @ Christ Cathedral School 11 AM – 3 PM
Jan 30 Wed
- Percussion Rehearsal Band Room 3 PM – 5 PM (MD Band Room)
- Pep Band @ Home Boys Basketball vs OLU 6 PM – 9:15 PM (MD )

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