Cecilia Zamora, Rancho Santa Margarita resident, was arrested Monday at her workplace, a corporate office of a financial institution.
Zamora was a parent volunteer at Beckman High School. She was the Beckman High School Cheer Booster Club treasurer between 2009 and 2011. She is accused of embezzling about $16,000 from the club's funds.
The missing funds were discovered last year by the club's new treasurer. Collection notices for invoices marked paid were found.
Police believe Zamora wrote checks to herself for $2,000 to $3,000 during her time as treasurer. She marked the checks as payments for uniforms and coaching stipends.
The Tustin Unified School District and the Irvine Police Department worked closely during the investigation. Zamora is no longer associated with the club or the school.
Zamora was booked at the Orange County Jail and held on $25,000 bond.