Orange County Sheriff's Department
says it arrested Hope Jacoby
, 23, on suspicion of engaging in sex acts with an underage boy.
has worked with athletes at the school for a year.
Hope Jacoby, 23, who has worked with athletes at the school for the last year, was arrested last week on suspicion of oral copulation of a minor and unlawful sex with a minor, said Sheriff's Department spokesman Jim Amormino.
, who lives in San Juan Capistrano, was jailed in lieu of $100,000 bail, Amormino said.