Mater Dei High School
Build The Future

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

Mar 1 Mon
- GRAY: B. 2, 4, 6, 8
  Block Schedule
- Office Hour 2:30 PM – 3:30 PM
  Block Schedule
Mar 2 Tue
- RED: B. 1, 3, 5, 7
  Block Schedule
Mar 3 Wed
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Mar 4 Thu
- RED: B. 1, 3, 5, 7
  Block Schedule
Mar 5 Fri
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Mar 8 Mon
- FLEX DAY (8 AM - 2:30 PM)
  Block Schedule
Mar 9 Tue
- RED: B. 1, 3, 5, 7
  Block Schedule
Mar 10 Wed
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Mar 11 Thu
- RED (Pair Day - Early Dismissal): B. 1, 3, 5, 7
  Block Schedule
Mar 12 Fri
- GRAY (Rally Schedule): B. 2, 4, 6, 8
  Block Schedule
Mar 15 Mon
- RED: B. 1, 3, 5, 7
  Block Schedule
- Office Hour 2:30 PM – 3:30 PM
  Block Schedule
Mar 16 Tue
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Mar 17 Wed
- RED: B. 1, 3, 5, 7
  Block Schedule
Mar 18 Thu
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Mar 19 Fri
- RED: B. 1, 3, 5, 7
  Block Schedule
Mar 22 Mon
- GRAY: B. 2, 4, 6, 8
  Block Schedule
- Office Hour 2:30 PM – 3:30 PM
  Block Schedule
Mar 23 Tue
- RED (Mass Schedule): B. 1, 3, 5, 7
  Block Schedule
Mar 24 Wed
- GRAY (Pair Day - Early Dismissal): B. 2, 4, 6, 8
  Block Schedule
Mar 25 Thu
- Holy Thursday
  Block Schedule
- No School - Easter Break
  Block Schedule
Mar 26 Fri
- Good Friday
  Block Schedule
- No School - Easter Break
  Block Schedule
Mar 29 Mon
- No School - Easter Break
  Block Schedule
Mar 30 Tue
- No School - Easter Break
  Block Schedule
Mar 31 Wed
- No School - Easter Break
  Block Schedule

Events in March 2027
Su	Mo	Tu	We	Th	Fr	Sa
	2 events ••	One event •	One event •	One event •	One event •
	One event •	One event •	One event •	One event •	One event •
	2 events ••	One event •	One event •	One event •	One event •
	2 events ••	One event •	One event •	2 events ••	2 events ••
	One event •	One event •	One event •	One event •	One event •

Calendars

Diocesan Events
Home Campus
Counseling
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Activities
Block Schedule
Athletics
Admissions
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