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

Nov 1 Fri
- Football Game HOME vs. JSerra 4 PM – 10 PM (Santa Ana Bowl)
Nov 4 Mon
- Leadership Team Meeting 3 PM – 3:30 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 6 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 8 Fri
- CIF Football TBA
Nov 9 Sat
- WBA SoCal Super Show (Marching Band Competition) (Warren High School)
Nov 11 Mon
- Leadership Team Meeting 3 PM – 3:30 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 13 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 15 Fri
- CIF Football TBA
Nov 16 Sat
- CSBC Semi-Final Competition (El Modena High School)
Nov 18 Mon
- Leadership Team Meeting 3 PM – 3:30 PM (Band Room)
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 20 Wed
- Marching Band/Colorguard Rehearsal 3:30 PM – 7 PM
Nov 22 Fri
- CIF Football TBA
- CIF Football TBA
Nov 23 Sat
- CSBC Open Class Finals & Division Finals (Marching Band) (Newport Harbor High School)
Nov 29 Fri
- CIF Football TBA

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