Mater Dei High School

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
- Students
- Parents
- Faculty
- Alumni
- Grandparents
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
Behind every achievement, success, and championship, stand the alumni, parents, faculty, staff, and friends who fortify our future. We invite you to support MD in a variety of ways with a gift that is meaningful to you.

Events

May 1 Wed
- Special Schedule: SENIOR RALLY
  - Block Schedule
- Rally Dress: Rally Class Shirt & Jeans
  - Block Schedule
May 2 Thu
- Special Schedule: Marian Mass (Minimum Day)
  - Block Schedule
- Monarch Professional Dress Day
  - Block Schedule
May 3 Fri
- NO SCHOOL - MD Holiday
  - Block Schedule
May 6 Mon
- Gray 2 Schedule: 2, 4, 6, 8
  - Block Schedule
May 7 Tue
- RED 3 Schedule: 1, 3, 5, 7
  - Block Schedule
May 8 Wed
- GRAY 4 Schedule: 4, 6, 2, 8
  - Block Schedule
May 9 Thu
- RED 5 Schedule: 1, 5, 7, 3
  - Block Schedule
May 10 Fri
- GRAY 6 Schedule: 6, 2, 4, 8
  - Block Schedule
May 13 Mon
- RED 7 Schedule: 1, 7, 3, 5
  - Block Schedule
May 14 Tue
- GRAY 2 Schedule: 2, 4, 6, 8
  - Block Schedule
May 15 Wed
- RED 3 Schedule: 1, 3, 5, 7
  - Block Schedule
May 16 Thu
- GRAY 4 Schedule: 4, 6, 2, 8
  - Block Schedule
May 17 Fri
- RED 5 Schedule: 1, 5, 7, 3
  - Block Schedule
May 20 Mon
- SCHOOL FOR SENIORS ONLY
  - Block Schedule
May 21 Tue
- SCHOOL FOR SENIORS ONLY
  - Block Schedule
May 22 Wed
- GRAY 6 Schedule: 6, 2, 4, 8
  - Block Schedule
May 23 Thu
- RED 7 Schedule: 1, 7, 3, 5
  - Block Schedule
May 24 Fri
- ALL CLASSES MEET
  - Block Schedule
May 27 Mon
- NO SCHOOL - Memorial Day
  - Block Schedule
May 28 Tue
- Semester Exams
  - Block Schedule
May 29 Wed
- Semester Exams
  - Block Schedule
May 30 Thu
- Semester Exams
  - Block Schedule
May 31 Fri
- Semester Exams
  - Block Schedule
- Last Day of School
  - Block Schedule

Su	Mo	Tu	We	Th	Fr	Sa
28	29••	30••	1••	2••	3•	4
5	6•	7•	8•	9•	10•	11
12	13•	14•	15•	16•	17•	18
19	20•	21•	22•	23•	24•	25
26	27•	28•	29•	30•	31••	1

Calendars

Diocesan Events
Counseling
Academics
Activities
Block Schedule
Athletics
Admissions
Alumni & Advancement
Visual Arts
The Arts
Campus Ministry
2022-2023 School Year

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