Mt. Gleason Middle School Home

Mount Gleason Middle School A Community of Learners

Who We AreOur Vision, Mission, and Learner Outcomes

Mount Gleason Middle School is an educational community focused on guiding adolescents toward academic success through innovative thinking, creative problem solving, and working cooperatively in order to become responsible citizens, productive community members, and lifelong learners.
Mount Gleason Middle School is committed to providing each student a rigorous, standards-based instructional program in a safe learning environment. We value all stakeholders’ voices as we support academic and social-emotional growth by teaching essential content knowledge and skills with real-world applications. Mount Gleason models respect and responsibility as our strategies nurture students’ successful transition from elementary to high school and beyond as college and career-ready young adults.
Congratulations to the Mount Gleason Mustangs!!!
Mount Gleason Middle School, Grades 6-8, is Accredited by the Accrediting Commission for Schools, Western Association of Schools and Colleges (ACS WASC) thanks to the faculty, staff, students, families, and community members working together toward achieving their vision, mission, and schoolwide learner outcomes!

Stay Up To DateRecent News & Events

Student Enrollment 2018-2019

Enroll Today For School Year 2018-2019!

We are here at Mount Gleason Middle School still have a few places for students to enroll in School year 2018-2019, To enroll today please call: (818) 951-2580 Or give us a visit at: 10965 Mt. Gleason Avenue Sunland, CA 91040
Labor Day


To Mount Gleason MS Students and Parents, We have a - Back To School Night Wednesday August 29 at 5:30PM - Minimum Day on Thursday August 30 (Dismissal at 12:30) - No School on Friday August 31 for Admissions Day, - No School on Monday September 3 on Labor Day.


Get to Know UsFacts & Numbers

  • 96.8% Average Daily Attendance
  • 26% Reclassification Rate
  • 19% Gifted & Talented
  • 0% Student Suspension Rate
  • 85% ELA Meet/Exceed on SBAC in Magnet
  • 80% Math Meet/Exceed on SBAC in Magnet

Who We Are

“Run ahead of the herd” with the Mount Gleason Mustangs! Built in 1959, Mount Gleason Middle School, including the Gifted/High Ability Magnet and STEAM Magnet, is located in Sunland-Tujunga with a picturesque view of the San Gabriel Mountains. We have a dedicated staff committed to providing each student a rigorous standards-based program in a safe learning environment where students’ academic and social-emotional needs are met. Our effective library program, accessible modern technology, and capacity-building Parent Center support student achievement in literacy, numeracy, and beyond. Students appreciate our array of elective choices, extensive lunch club options, several after-school programs, popular annual traditions, and multiple forms of recognition. Upon culmination, the Mount Gleason family strives for all students to be college and career-ready young adults as well as compassionate human beings,creative thinkers, and self-directed lifelong learners. Go Mustangs!



Math Project 1
May 2018 SOM
Students on Chromebooks
College Door 3
Science Project
Science Project 2
Flag Football
Egypt Day Students
Graduation Caps
Gallery Walk 5