The Washington High School teacher accused of sexually assaulting former students, has resigned. 30-year-old Mark Ryan Lua was an English teacher at Booker T. Washington High School in Pensacola, and has been arrested on three separate occasions on allegations of sexually assaulting or soliciting sexual actions from former students. He’s being held in the Escambia County Jail on a $395,000 bond. He’s currently facing 14 charges and the possibility of 125 years behind bars if he’s convicted on all charges.