Mater Dei, founded in 1950, is a diocesan coeducational high school dedicated to providing a holistic education. Each student is challenged by a college preparatory curriculum and encouraged to reach his/her full potential through extensive co-curricular and extracurricular programs.
- President: Rev. Steve Sallot
- Principal: Frances Clare
- Asst. Principal of Personnel & Faculty Services: Molly Chace
- Asst. Principal of Academics and Technology: Geri Campeau ‘87
- V.P./Advancement: Erica Adams
- V.P./Business Services: Dave Taylor
- Asst. Principal of Student Services: Miguel Guiterrez
- Faculty: Lay Teachers: 104
- Rector/Chaplin: Rev. Anthony Bautista, A.M.
- Enrollment: up to 2,200 annually
