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

Apr 1 Tue
- RED: B. 1, 3, 5, 7
  Block Schedule
Apr 2 Wed
- GRAY (Late Start): B. 2, 4, 6, 8
  Block Schedule
Apr 3 Thu
- RED: B. 1, 3, 5, 7
  Block Schedule
- Office Hour 2:20 PM – 3 PM
  Block Schedule
Apr 4 Fri
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Apr 7 Mon
- RED: B. 1, 3, 5, 7
  Block Schedule
- Office Hour 2:30 PM – 3 PM
  Block Schedule
Apr 8 Tue
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Apr 9 Wed
- RED (Late Start): B. 1, 3, 5, 7
  Block Schedule
Apr 10 Thu
- GRAY: B. 2, 4, 6, 8
  Block Schedule
- Office Hour 2:20 PM – 3 PM
  Block Schedule
Apr 11 Fri
- RED: B. 1, 3, 5, 7
  Block Schedule
Apr 14 Mon
- GRAY: B. 2, 4, 6, 8
  Block Schedule
- Office Hour 2:30 PM – 3 PM
  Block Schedule
Apr 15 Tue
- RED (Mass Schedule): B. 1, 3, 5, 7
  Block Schedule
Apr 16 Wed
- GRAY (Pair Day - Late Start): B. 2, 4, 6, 8
  Block Schedule
Apr 17 Thu
- No School - Easter Break
  Block Schedule
Apr 18 Fri
- No School - Easter Break
  Block Schedule
Apr 21 Mon
- No School - Easter Break
  Block Schedule
Apr 22 Tue
- No School - Easter Break
  Block Schedule
Apr 23 Wed
- No School - Easter Break
  Block Schedule
Apr 24 Thu
- No School - Easter Break
  Block Schedule
Apr 25 Fri
- No School - Easter Break
  Block Schedule
Apr 28 Mon
- RED: B. 1, 3, 5, 7
  Block Schedule
- Office Hour 2:30 PM – 3 PM
  Block Schedule
Apr 29 Tue
- GRAY: B. 2, 4, 6, 8
  Block Schedule
Apr 30 Wed
- RED (Late Start): B. 1, 3, 5, 7
  Block Schedule

Events in April 2025
Su	Mo	Tu	We	Th	Fr	Sa
	2 events ••	One event •	One event •	2 events ••	One event •
	2 events ••	One event •	One event •	2 events ••	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 •	2 events ••	One event •

Calendars

Diocesan Events
Home Campus
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
Alumni & Advancement
Visual Arts
Performing Arts
Campus Ministry
2024-2025 School Year

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