A former Janesville middle school teacher pleads no contest to repeatedly sexually assaulting a student, and in exchange prosecutors dismissed a charge of child enticement. 46-year-old Aaron M. O’Reilly of Edgerton, is accused of having sexual contact with a student at Edison Middle School. Court documents indicated the relationship lasted for more than a year-and-a-half and began early in 2014. The student was not yet 16-years-old The judge ordered a presentence investigation before O’Reilly’s sentencing April 4.