Kathleen Wilhoite was 18 in Private School when she played the character 'Betsy'.
That was over 41 years ago in 1983.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 59, and has starred in 55 movies in total, 54 of those since Private School was released.
In Private School, I think Kathleen Wilhoite looks: