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 Sat
- 9th Grade English Qualifying Exam 8 AM – 9 AM
  Academics
Apr 3 Mon
- PLC Meeting 3 PM
  Academics
Apr 15 Sat
- 2022-2023 ACT 7 AM – 2 PM (Various Classrooms)
  Academics
Apr 19 Wed
- Progress Check Grades Due
  Academics
Apr 22 Sat
- 9th Grade English Qualifying Exam 8 AM – 9 AM (Rooms 602, 604, & 606)
  Academics
- 9th Grade Math Qualifying Exam 9:30 AM – 10:30 AM (LeVecke)
  Academics
- 9th Grade World Languages Qualifying Exam 11 AM – 12 PM (LeVecke)
  Academics
Apr 25 Tue
- 9th Grade Math Qualifying Exam 4 PM – 5 PM (Rooms 307 & 309)
  Academics
- 9th Grade World Languages Qualifying Exam 4 PM – 5 PM (Room 214)
  Academics
- 9th Grade English Qualifying Exam 5 PM – 6 PM (Rooms 602, 604, & 606)
  Academics
Apr 26 Wed
- Department Meetings 7:30 AM
  Academics
Apr 29 Sat
- 2nd Annual Monarch Invitational MUN Middle School Conference
  Academics

Calendars

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