1st Semester Exam Schedule and Resources
23-24 First Semester Exams will take place Friday, December 15 - Wednesday, December 20.
Mater Dei High School Home
Monarch News
1st Semester Exam Schedule and Resources
23-24 First Semester Exams will take place Friday, December 15 - Wednesday, December 20.
Christmas Spirit Week: 12/4- 12/8
Join daily dress contests! Enjoy the Christmas sights! Participate in lunchtime Activities!
November Monarchs of the Month
Congratulations to Brendan Mulholland and Tara Bordner.
KTLA 5 Los Angeles School Spirit Spotlight - 11/17
Missed the live broadcast? Watch the recordings right here!
SAT and ACT Preparation
Tried & True Tutoring is bringing its popular SAT and ACT programs to campus during the spring 23-24 semester.
National Signing Day - 11/8/23
Congratulations to the 29 members of the Class of 2024 who committed to continue their career at the collegiate level in the first National Signing Day of the Year. See the full list of students here.
Crown Yearbook Deadlines
Attention Seniors don't miss out on these opportunities in the Crown Yearbook.
Parent Education Series & Monarch Mingle beginning 9/12
Thank you for partnering with us in your child’s education at Mater Dei High School. We look forward to seeing you at one (or many) of these sessions.
What's a Monarch?
We are pleased to unveil the updated look for our official mascot - the Monarch. Click to learn about about the history and meaning of our mascot.
Parents, Have You Downloaded ParentSquare?
Mater Dei High School uses ParentSquare for school communication, primarily with email, text and app notifications. Be sure to download the app today!
Introducing Our 2023-2025 Strategic Plan
This exciting initiative is the culmination of extensive collaboration and careful planning, and we are confident that it will significantly enhance Mater Dei’s future.
Mater Dei At A Glance
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Uniquely Mater Dei
- 195 Zip Codes
- 124 Feeder Schools
- 72% Catholic/ 28% Non Catholic
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Faith & Service
- 45K+ Hours Given Per Year
- 600+ Organizations
- 160 Average Hours Per Graduate
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Comprehensive Academics
- 53 Honors Courses
- 22 AP Courses
- 109+ Electives
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Nationally Recognized Athletics
- 28 Sports Teams
- 71% Athletes on Honor Roll
- 23 Gatorade Players of the Year
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Unparalleled Arts
- 82 Courses
- 48% of student body
- 70% of Artists on Honor Roll
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Global Alumni Network
- 30K+ Worldwide
- Robust Alumni Business Network
- 20% Faculty Staff are Alumni
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