Simplify the following text for a Grade 10 native English-speaking person.
Original: Foxe resigned from his college in 1545 after becoming an evangelical and thereby subscribing to beliefs condemned by the Church of England under Henry VIII .
Simplified: Foxe resigned from his college in 1545 , after referring to it as `` a prison . '' During his time at Oxford he became an evangelical , meaning that he decided for Protestant beliefs not accepted by the Church of England under Henry VIII .