BERKELEY COUNTY, S.C. (WACH/WCIV) -- According to WCIV A Cross High School teacher has been charged with sexual battery of three students. The Berkeley County Sheriff's Office officials said 29-year-old Ellen Lindsay Niemiec, of Summerville, turner herself in at the sheriff's office Thursday afternoon. Officials said that there are three student victims leading to two felony and one misdemeanor charges because of their ages. The sheriff's office said the misconduct had been going on for several weeks. Niemiec is married with three children, according to her attorney David Aylor. Mike Bosnak, who is an attorney representing all three victims, said some of the inappropriate behavior took place in the classroom. â??It started with dirty talk, then they were texting. She was texting nude pictures and that kind of stuff. Then just from there, it just went on. Some of it took place at the school. She also was picking one of them up in the morning and had sex with him in the morning and then in the afternoon,â?? Bosnak said.