From the Board Room to Boarding School (Gender Swap Age Regression)

Leonard and Marissa are planning to get married. There's just one thing holding up the nuptials: Marissa's adopted mother is a witch. When she gets angry with Leonard, she turns him into a little girl. Now instead of running a Fortune 500 company and getting married, he's a first grader at a brutal boarding school in Switzerland. Can he survive and find a way to grow up again?