Kathryn Newton was 13 in Bad Teacher when she played the character 'Chase Rubin-Rosse'.
That was over 13 years ago in 2011.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 27, and has starred in 15 movies in total, 13 of those since Bad Teacher was released.
In Bad Teacher, I think Kathryn Newton looks: