Here we go again. Don't know much about history, Don't know much biology A Texas school teacher has been arrested and charged for allegedly having sex with a 17-year-old-student. Sharon Lynn Hoskison, 39, a McKinney middle school teacher, turned herself into police after a warrant was issued for her arrest. She is being held at the Collin County Detention Center on $200,000 bond. The eighth-grade social studies and history teacher at Evans Middle School, is accused of having an improper relationship with a student. The school district has placed Hoskison on administrative leave pending the outcome of the police investigation.