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 7 Mon
- Marching Band and Color Guard Camp 2 PM – 8 PM (Band Room and Fields)
- Parent Meeting for Marching Band & Color Guard 6:30 PM – 7:40 PM (Band Room)
Aug 8 Tue
- Marching Band and Color Guard Camp 2 PM – 8 PM (Band Room and Fields)
Aug 9 Wed
- Marching Band and Color Guard Camp 2 PM – 8 PM (Band Room and Fields)
Aug 10 Thu
- Marching Band and Guard perform for New a Student Welcome 11 AM – 1 PM (MD)
- Marching Band and Color Guard Camp 2 PM – 8 PM (Band Room and Fields)
Aug 11 Fri
- Marching Band and Color Guard Camp 2 PM – 8 PM (Band Room and Fields)
Aug 12 Sat
- Marching Band and Color Guard Camp 8 AM – 4 PM
Aug 14 Mon
- 1st Day of School Welcome Performance: Band /Guard 7:20 AM – 8:45 AM (MD)
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Aug 16 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Aug 19 Sat
- Marching Band and Color Guard Camp/Pot Luck 8 AM – 4 PM
Aug 21 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Aug 23 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Aug 25 Fri
- Pep Band Away Football vs Bishop Amat 4 PM – 10:30 PM (Bishop Amat HS)
Aug 28 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Aug 30 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)

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