Board of Directors

Sara Ontiveros

Board President

Sara Ontiveros is a dedicated educator specializing in student advocacy, mental health, and school counseling. Equipped with a background in K-12 education, Mrs. Ontiveros has served students and families over the last 17 years. She holds a Master of Arts in Curriculum and Instruction, along with an education specialist credential, multiple subject credential, single subject English credential and a pupil personnel services credential. She integrates a comprehensive understanding of curriculum design and student support into her practice. Her teaching expertise in addressing the mental health needs of students and fostering an inclusive learning environment has been instrumental in promoting holistic development and academic success. Mrs. Ontiveros is committed to empowering students and collaborating with educators to create supportive and effective educational experiences. 

Navid McCarthy

Secretary/Treasurer

Navid joined Excelsior Charter Schools in 2001 as a Math teacher and during her career at Excelsior held the positions of lead mentor, Curriculum Coordinator, Assistant Superintendent of Human Resources and Deputy Superintendent. She retired from Excelsior in 2017.

Navid holds a Bachelor of Science Degree in Industrial Engineering from University of Iowa, a Masters Degree in Curriculum and Instruction and a Masters Degree in Educational Leadership. She also holds a California clear teaching credential in math and a supplementary credential in physical science in addition to a clear leadership credential.

She has lived in the High Desert since 1990.

Charity Reyes

Board Member

Charity Reyes is a dedicated entrepreneur and community advocate with deep roots in Adelanto and over a decade of residency in the High Desert. As a serial entrepreneur, she has developed strong relationships within the financial literacy sector and currently operates a local tax preparation company.

Mrs. Reyes is a strong advocate for vocational education and youth empowerment. Through her nonprofit organization, The Poly Plug, she has focused on creating independent community pathways that connect individuals to opportunities and purpose while supporting the well-being of youth in the Adelanto community. Her compassionate outlook allows her to connect with students whose learning journeys may differ from traditional paths. As a lifelong learner, Charity remains committed to promoting growth, opportunity, and excellence within her community.

Valerie Ruiz

Board Member

Valerie Ruiz is a dedicated ECS Board Member and local business leader in Hesperia, California. A strong advocate for education and vocational pathways, Valerie partners with schools and community programs to expand opportunities for students. Her commitment to community service, youth development, and strengthening educational access drives her work both on the ECS Board and throughout the High Desert. Valerie has been a resident since 2010, Mrs. Ruiz, her husband and their five boys are extremely blessed to call the High Desert home.  She always feels privileged to be able to grow, thrive and make roots in this community she loves. 

Jennifer Little

Parent Board Member

Jennifer Little is a lifelong High Desert resident and a proud parent of five children, ages 7 to 17—two of whom currently attend Excelsior. Deeply committed to supporting student success, Jennifer serves on the Excelsior Board of Directors as Parent Board Member, where she advocates for strong school-family partnerships and enrichments that elevate the student experience. Jennifer is a passionate supporter of Excelsior’s Arts Program and believes in the importance of creative opportunities that help students grow, express themselves, and discover their talents. Her dedication to her family, community, and Excelsior reflects her long-standing commitment to ensuring that all students have access to diverse pathways that inspire learning and success