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

Jan 1 Fri
- No School - Christmas Break
  Block Schedule
Jan 4 Mon
- FLEX DAY (8 AM - 2:30 PM)
  Block Schedule
Jan 5 Tue
- RED: B. 1, 3, 5, 7
  Block Schedule
- Classes Resume
  Block Schedule
Jan 6 Wed
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 7 Thu
- RED (Mass Schedule): B. 1, 3, 5, 7
  Block Schedule
Jan 8 Fri
- GRAY (Rally Schedule): B. 2, 4, 6, 8
  Block Schedule
Jan 11 Mon
- RED: B. 1, 3, 5, 7
  Block Schedule
- Office Hour 2:30 PM – 3:30 PM
  Block Schedule
Jan 12 Tue
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 13 Wed
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 14 Thu
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 15 Fri
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 18 Mon
- No School - MLK Day
  Block Schedule
Jan 19 Tue
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 20 Wed
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 21 Thu
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 22 Fri
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 25 Mon
- GRAY: B. 2, 4, 6, 8
  Block Schedule
- Office Hour 2:30 PM – 3:30 PM
  Block Schedule
Jan 26 Tue
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 27 Wed
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Jan 28 Thu
- RED: B. 1, 3, 5, 7
  Block Schedule
Jan 29 Fri
- GRAY: B. 2, 4, 6, 8
  Block Schedule

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

Calendars

Diocesan Events
Home Campus
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
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Visual Arts
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