Alliance Dr. Olga Mohan High School

graduation picture






The lottery deadline for the 2022-23 school year is December 3, 2021 but applications are still being accepted. Apply today!

644 West 17th Street

Los Angeles, CA 90015

(213) 342-2870 




460 scholars in grades 9-12

Date Opened

August 2006


Alliance Dr. Olga Mohan High School is located just south of downtown Los Angeles. 

Points of Pride

Alliance Mohan High School is a National Blue Ribbon School and has ranked in the top 1% of high schools nationwide by US News & World Report, and among the top 25 "Most Transformative" high schools in the nation by Newsweek.  The school was recognized as a California Distinguished School in 2009 and 2013.  This award recognizes the state’s most exemplary, inspiring, and well-rounded community public schools. In 2011, the California Charter School Association honored Alliance Mohan High School with the "Charter School of the Year" annual Hart Vision Award, and in 2010 the school was recognized as a Gold Medal EPIC Gains school for scholar achievement.


98% Latino,1% African American/Black, 11% English Language Learners (ELL),12% special education, and 96% free or reduced meal program participants. 

Principal Profile

Loreen RileyLoreen Riley originally came to Alliance Dr. Olga Mohan High school during the school's second year in 2007. She has been a major contributor to the success of the school as both a teacher and an assistant principal. Her understanding of the history and best practices of the school guide her in all instructional leadership decisions to effectively lead the school towards continuous success. In addition to serving as the Principal at Mohan, Mrs. Riley acts as a University Supervisor for future administrators at Loyola Marymount University. Mrs. Riley holds a bachelor's degree in History from California State University, Fullerton, and a master's in Educational Leadership from Loyola Marymount University with a specific focus on Charter School Leadership.