Administration
Mr. Omar Mayen
Principal
Phone: 909.971.8230
Outside of his professional life, Omar enjoys spending time with his wife, Monica, an elementary school teacher, and their two children, Niko (11) and Charlotte (6). Together, they love outdoor activities, traveling, beach days, and spending time with their nearby extended family. A passionate golfer, Omar enjoys visiting and playing at notable courses across the country. He also serves as an adjunct professor at the University of Redlands, where he teaches inclusive practices to credential and master’s candidates.
_______________________________________________________________________________
Assistant Principal, A-G
Phone: 909.971.8230 x3033
Mrs. Jackson brings over 20 years of experience in education and prior to this position, served as a Teacher on Special Assignment in Curriculum and Instruction in Corona-Norco Unified School District (CNUSD). She has taught high school English in both Chino Unified and CNUSD, and has also taught graduate-level courses at Claremont Graduate University.
She earned her Bachelor of Fine Arts in Film from Chapman University and her Master of Arts in Leadership from the University of La Verne.
In addition to her professional accomplishments, Mrs. Jackson is a proud product of our community—she attended Gladstone, Lone Hill, and San Dimas High School as a student. We are thrilled to welcome her back to SDHS in this new leadership role.
Dr. Brianna Nix
Assistant Principal, O-Z
Assistant Principal, O-Z
Phone: 909.971.8230 x3036
I am excited to be working with the wonderful team at San Dimas High School. I have been in the field of education for the past thirteen years working as a foster and homeless youth Educational Liaison, a District Counselor, Assistant Principal of Student Services grades 6 thru 12, Middle School Principal, and now Assistant Principal here at San Dimas High School.
I am a proud graduate of the University of California, Los Angeles- Go Bruins! – with a bachelor’s degree in Sociology. Even though I am Bruin at heart, I am also
a graduate of the University of Southern California with a Master’s in Education and emphasis on School Counseling and Pupil Services. I went on to earn a
Doctorate in Educational Leadership from California State University, Northridge. Additionally, I graduated with my second Master’s in Education, School Leadership, and completed my Administrative Credential from California State University, Dominguez Hills. I grew up in Pomona and graduated from Pomona High School. I loved marching in the band at both Pomona High and UCLA.
Mr. Joel Ravelo
Assistant Principal, H-N
Phone: 909.971.8230 x3032
It is an honor to serve the students, families, teachers, and staff of San Dimas High School as an Assistant Principal. With over 20 years in education, I bring a diverse range of experiences to this role. Before joining SDHS, I worked with the Los Angeles Unified School District as a Paraeducator, Special Education Teacher in an Autism Program, Resource Teacher, Dean of Behavior Intervention and Support at the middle school level, and Assistant Principal at the high school level.
I am a proud graduate of California State University, Los Angeles (CSULA), where I earned my Bachelor's Degree in Urban Learning along with a Mild-to-Moderate Special Education Teaching Credential. I later returned to CSULA to complete my Master’s Degree in Educational Administration. I was born and raised in East Los Angeles and graduated from Garfield High School where I also I had the privilege of serving as an Assistant Principal for two years.
I am committed to fostering strong relationships with students, families, and staff, mentoring students, and promoting restorative practices. My goal is to contribute to the excellence of the San Dimas High School community by helping to create a safe, supportive, and thriving learning environment for all.
