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

Aug 1 Thu
- Summer Mini Band Camp WINDS 3 PM – 7 PM (Band Room)
Aug 5 Mon
- Leadership Team Kick-Off Lunch with Staff 12 PM – 1:30 PM (Band Room)
- FULL PROGRAM PARENT/STUDENT MEETING (Marching Band/Colorguard/Drumline) 2 PM – 3 PM (Band Room)
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 6 Tue
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 7 Wed
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 8 Thu
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 9 Fri
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 10 Sat
- MARCHING BAND CAMP (MANDATORY ALL MEMBERS) 2 PM – 8 PM (Band Room)
Aug 12 Mon
- First Day of Classes
- Uniform Fittings 3 PM – 5 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 14 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 17 Sat
- (SATURDAY) Marching Band Rehearsal 8 AM – 12 PM (MDHS)
Aug 19 Mon
- Leadership Team Meeting 3 PM – 3:30 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 21 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 24 Sat
- (SATURDAY) Marching Band Rehearsal 8 AM – 12 PM (MDHS)
Aug 26 Mon
- Leadership Team Meeting 3 PM – 3:30 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 28 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Aug 30 Fri
- Pep Band HOME Football Game vs. Bishop Gorman 4 PM – 9 PM (Santa Ana Bowl)

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