A school teacher in the Ferguson-Florrisant School District has been arrested for the sexual assault of a 16-year-old foster child. Chris McCall is a fourth-grade teacher at the St. Louis-area Central Elementary School. He is charged with statutory sodomy. Deputies say the alleged victim told a friend McCall had sexually assaulted him at a home in Winfield for about a year. The friend alerted authorities. The school district has placed McCall on paid administrative leave.