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
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.
- Students
- Parents
- Faculty

Aeries Portal & Communications Information

Aeries is Mater Dei's Student Information System that allows parents and students to find up-to-date information about grades and attendance online.

AERIES Access for New Parents, Students and Transfer Students

Aeries log in information will be sent out via email.

Students - login information will be sent to your MD student email address by early August.

Parents - login information will be sent to the primary email(s) provided during the registration process by early August.

Please contact us at [email protected] for additional assistance.

AERIES COMMUNICATIONS

Communications is a simple tool that allows for quick, easy and secure communication with parents and students. The Communications tool is accessible from the Aeries Portal or the Aeries App.It allows:

1. Parents/guardians can customize notification preferences - email, phone calls, and/or text messaging.

2. Parents/guardians can receive messages in their preferred language.

3. MD to send out Emergency notifications simultaneously as text, email and voicemail messages.

Users with a cell phone number attached to their Aeries records will receive an "Opt In" text message giving permission for text notifications.

Click here for more information.