Tory Eitz worked at Westgate Elementary School in Arlington Heights.
Eitz was sentenced Friday to at least 90 days in the Cook County Jail and two and a half years probation after she pled guilty to her charges.
RELATED | Arlington Heights elementary school nurse fired for giving wrong medicine to student, district says
The parents of several children have also filed a civil lawsuit against her.
Lawyers for those families called the conviction "an important step towards accountability."