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.

2022-2023 Parent Student Handbook

The information you will find in the Mater Dei Parent/Student Handbook serves as a guideline for you in dealing with the policies and procedures of Mater Dei High School.

For parents, this book gives you helpful information regarding Attendance, Academics, Discipline, Parent Organizations and Counseling.

For students, this handbook outlines important guidelines in areas of Academics, Attendance, Dress Code and Discipline, Student Regulations, Student Organizations and Counseling.

Please take time to read and review this year’s Parent/Student Handbook. We believe that the information provided in the handbook gives us all the opportunity to work together cooperatively on a daily basis as we strive to provide the best in an excellent, holistic, Catholic education for you, our MDHS students and parents.