Administration
Mr. Omar Mayen
Prior to this position, Mr. Mayen served as a High School Assistant Principal in the Corona Norco Unified School District (CNUSD) and for twelve years as a high school special education teacher at Santiago High School in CNUSD. He has also served as the Summer School Principal of Corona High School. Mr. Mayen obtained his Bachelor of Arts in Sociology at CSU, Long Beach, and his Master of Science in Special Education at National University.
Principal
Phone: 909.971.8230 ext 3010
Omar enjoys spending time with his wife Monica, an elementary school teacher, and his two children Niko (9) and Charlotte (4). They enjoy outdoor activities, going to the beach, traveling, and spending time together with his extended family who are all nearby. Mr. Mayen, an avid golfer, enjoys traveling and playing at famous golf courses. He is an adjunct professor at the University of Redlands teaching inclusive practices to credential and masters candidates.
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Mr. Jack NanceAssistant Principal of Academic Success
Phone: 909.971.8230 x3033
I have been a counselor at San Dimas High School and Lone Hill Middle School. For the last 10 years, I have been the Assistant Principal of Academic Success at San Dimas High School. I am so proud of the students who attend San Dimas High School.
I grew up in Chandler, Arizona, and attended Chandler High School. I spent my freshman year at Scottsdale Community College, the home of the Artichokes. That is correct, the mascot is an artichoke. I received my bachelor's degree at Azusa Pacific University in Physical Education. Then my master's degree and administrative credential at Azusa Pacific University.
I have four kids. Three of my kids graduated from San Dimas High School. My oldest Tyler is a Lineman for the California/Nevada. My daughter, Hannah, attended the Air Force Academy and is now married in Mississippi. Ben is attending Cal Poly Pomona. My youngest, Jacob is a senior at SDHS.
It is my honor to serve as Assistant Principal at San Dimas High School. San Dimas High School is destined for great things and I am so excited to be a part of it. I look forward to helping students and staff to reach the great expectations San Dimas High School has established. Getting involved is the best way to reach these expectations in the quick four years of high school. Four years that students remember for a lifetime.
Dr. Brianna Nix
Assistant Principal of Student Support
Assistant Principal of Student Support
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 nine 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 of Student Wellness.
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. Lastly, 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 and both Pomona High and UCLA.
Mr. Joel Ravelo
Assistant Principal of School Environment
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.
