Chemistry teacher has sex with 15-year-old student

David Park 
By: Feng Qian 

(Scroll down for video) A chemistry teacher was arrested on charges of sexual assault after allegedly having sex with a young student, prosecutors in California said.

The Los Angeles County District Attorney’s Office announced that David Park, 38, of Chino Hills, was charged with three felony counts of lewd act upon a child.

Park was arraigned at the Los Angeles County Superior Court in Pomona in Department F. His bail was set at $150,000. Prosecutors said at the time of the crime, Park was a chemistry teacher at the Los Altos High School in Hacienda Heights.

Authorities were alerted by a school official that Park may have been having a sexual relationship with a 15-year-old girl, prosecutors said.

The criminal complaint alleges that the defendant had sexual interactions with the teen for about three months. If convicted as charged, the defendant faces a maximum sentence of four years and four months in state prison.

Additionally, he would have to register as a sex offender for life.