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

Sep 1 Wed
- RED Schedule (Early Dismissal): B. 3, 5, 7
  Block Schedule
Sep 2 Thu
- GRAY Schedule (Hybrid Late Start): B. 2, 4, 6, 8
  Block Schedule
Sep 3 Fri
- RED Schedule (Rally): B. 1, 3, 5, 7
  Block Schedule
Sep 6 Mon
- No School - Labor Day
  Block Schedule
Sep 7 Tue
- GRAY Schedule (Pair Day): B. 2, 4, 6, 8
  Block Schedule
Sep 8 Wed
- RED Schedule: B. 1, 3, 5, 7
  Block Schedule
Sep 9 Thu
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule
Sep 10 Fri
- RED Schedule (Early Dismissal): B. 1, 3, 5, 7
  Block Schedule
Sep 13 Mon
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule
Sep 14 Tue
- RED Schedule: B. 1, 3, 5, 7
  Block Schedule
Sep 15 Wed
- GRAY Schedule: B. 4, 6, 8
  Block Schedule
Sep 16 Thu
- RED Schedule: B. 1, 3, 5, 7
  Block Schedule
Sep 17 Fri
- GRAY Schedule (Early Dismissal): B. 2, 4, 6, 8
  Block Schedule
Sep 20 Mon
- RED Schedule: B. 1, 3, 5, 7
  Block Schedule
Sep 21 Tue
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule
Sep 22 Wed
- RED Schedule: B. 3, 5, 7
  Block Schedule
Sep 23 Thu
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule
Sep 24 Fri
- RED Schedule (Early Dismissal): B. 1, 3, 5, 7
  Block Schedule
Sep 27 Mon
- No School - Diocesan Convocation
  Block Schedule
Sep 28 Tue
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule
Sep 29 Wed
- RED Schedule: B. 1, 3, 5, 7
  Block Schedule
Sep 30 Thu
- GRAY Schedule: B. 2, 4, 6, 8
  Block Schedule

Events in September 2021
Su	Mo	Tu	We	Th	Fr	Sa
	One event •	One event •	One event •	One event •	One event •
	One event •	One event •	One event •	One event •	One event •
	One event •	One event •	One event •	One event •	One event •
	One event •	One event •	One event •	One event •	One event •
	One event •	One event •	One event •	One event •	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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