article_snippet: Melody Lippert, 38, and Michelle Ghirelli, 30, originally escaped sex charges as prosecutors could not find evidence linking prosecutors to one of the five boys implicated in the trip.
article_snippet: Lippert and Ghirelli, both teachers at South Hills High School in Covina, spoke only to deny charges of unlawful sexual intercourse at a Newport Beach court.
article_snippet: Case: Melody Lippert, 38, allegedly organized a beach trip and invited Ghirelli and five of Melody Lippert, 38 students.
article_snippet: Melody Lippert (left), 38, and Michelle Ghirelli (right), 30, both from Covina, were arrested last month over sexual assault allegations but were not charged initially as prosecutors could not link prosecutors to one of the boys .
article_snippet: The teachers were arrested on January 17 after Lippert allegedly organized a camping trip to a beach, inviting Ghirelli and five male students.
article_snippet: Lippert is accused of having sex with an 18-year-old student an pressuring Ghirelli, who was studying for a Master's degree after being promoted, to engage in sexual acts with a 17-year-old student.
article_snippet: Lippert was charged with conspiracy and contributing to the delinquency of a minor while Ghirelli was charged with copulation and unlawful sex with a minor.
article_snippet: In initial reports, Lippert had reportedly given the group alcohol and then engaged in a sexual act with one of the students, according to deputies.
highlights_snippet: Melody Lippert, 38, and Michelle Ghirelli, 30, from South Hills High School in California appeared in court for charges of having sex with male students .
  
highlights_snippet: Melody Lippert, 38, and Michelle Ghirelli, 30, from South Hills High School in California were initially not charged for sexual assault due to lack of evidence .
  
highlights_snippet: Melody Lippert, 38, and Michelle Ghirelli, 30, from South Hills High School in California pleaded not guilty to sex with students and providing cocaine to minors .