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 10 Wed
- Day of Welcome Rally: Pep Band- Fight Song and Alma Mater 11 AM – 1 PM (MD)
- All Marching Band & Colorguard Camp 3 PM – 8:30 PM (Band Room/Field)
- Marching Band/Color Guard Booter Meeting 1 7 PM – 8:30 PM (MD Band Room)
Aug 11 Thu
- All Marching Band & Colorguard Camp 3 PM – 8:30 PM (Band Room/Field)
Aug 12 Fri
- All Marching Band & Colorguard Camp 3 PM – 8:30 PM (Band Room/Field)
Aug 13 Sat
- All Marching Band & Colorguard Camp 12 PM – 5 PM (Band Room/Field)
Aug 15 Mon
- All Marching Band & Colorguard Camp 3 PM – 8 PM (Band Room/Field)
Aug 16 Tue
- All Marching Band & Colorguard Camp 3 PM – 8 PM (Band Room/Field)
Aug 17 Wed
- All Marching Band & Colorguard Camp 3 PM – 8 PM (Band Room/Field)
Aug 18 Thu
- All Marching Band & Colorguard Camp 3 PM – 8 PM (Band Room/Field)
Aug 19 Fri
- All Marching Band & Colorguard Camp 3 PM – 8 PM (Band Room/Field)
Aug 20 Sat
- All Marching Band & Colorguard Camp 12 PM – 5 PM (Band Room/Field)
- Potluck: Marching Band & Colorguard 5 PM – 7 PM (Mater Dei)
Aug 22 Mon
- All Marching Band & Colorguard Rehearsal 3 PM – 6 PM (MD)
Aug 23 Tue
- Bass Clinic with Mr. Martelle 3 PM – 5 PM (Band Room)
Aug 24 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)
Aug 25 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)
Aug 26 Fri
- Pep Band Away Game vs Bishop Amat 4 PM – 10:30 PM (Bishop Amat)
Aug 29 Mon
- All Marching Band & Colorguard Rehearsal 3 PM – 6 PM (MD)
Aug 31 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)

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