( CNN ) -- A former high school teacher in Freeland , Michigan , has been arraigned in two counties on 29 counts of sexual misconduct with an underage student , a Midland County prosecutor said Wednesday . Marcie Rousseau , a 33-year-old married mother of two , is accused of having sex with a then-16-year-old student from May 2009 to February , according to prosecutor Angelina Scarpelli . There could be two other alleged victims dating back to 2002 , Scarpelli told HLN 's `` Prime News . '' Rousseau was placed on administrative leave February 16 while police investigated the allegations . She officially resigned from her teaching job at Freeland High School on June 16 , Scarpelli said . She was arraigned Monday in Saginaw County on 21 counts of criminal sexual conduct , and in Midland County on Tuesday on eight counts of criminal sexual conduct , Scarpelli said . Rousseau picked the boy up in her car and drove across county lines to have sex with him , Scarpelli said . Rousseau entered not guilty pleas to the charges this week , Scarpelli said . Rousseau , who was released on bond Tuesday , is the latest in a spate of recent highly publicized cases of teachers accused of having sex with students . Broward County , Florida , teacher Kristen Sullivan , 25 , was arrested April 20 for allegedly having sex with a 14-year-old student , and Tampa , Florida , teacher Stephanie Ragusa was sentenced Monday to 10 years in prison for sexual relationships with two underage students in 2008 . `` We 're finally realizing not only that sexual assault exists and how prevalent it is , but there is such a thing as a female perpetrator , '' Robin Sax , a former prosecutor and author of `` Predators and Molesters , '' told `` Prime News . '' CNN 's Sarah Aarthun contributed to this report .
Marie Rousseau accused of sex with year - old student . She has pleaded not guilty to two counts of criminal sexual conduct . Rousseau is a 33-year - old married mother of two .