Van Amstel posted a report of the alleged incident on his social media account:
Kelly Services, which provides substitute teachers for the school district, confirmed the teacher’s dismissal to ABC News.
“We are concerned about any reports of inappropriate conduct and take these matters very seriously,” a spokesperson for the agency said. “We conducted an investigation and made the decision to end the employee’s relationship with Kelly Services.”
Van Amstel has appeared multiple times on ABC's “Dancing with the Stars.”