Melody Lippert , 38 , and Michelle Ghirelli , 30 , from Los Angeles County High School in South Hills , face charges of unlawful sexual intercourse . Also charged with furnishing a controlled substance to a minor . Ghirelli is charged with unlawful oral copulation . Ghirelli allegedly had sex with a 17-year-old boy during the beach vacation in December .
Melody Lippert , 38 , and Michelle Ghirelli , 30 , from South Hills High School in Los Angeles County , face charges of unlawful sexual intercourse . Also charged with furnishing a controlled substance to a minor . Ghirelli is charged with unlawful oral copulation . Ghirelli allegedly had sex with a 17-year-old boy during the beach vacation in December .