Simplify the following text for a Grade 5 native English-speaking person.
Original: Originally named The Pastors ' College when it opened in 1857 , it later was renamed in honor of its founder , Charles Haddon Spurgeon , when it moved to its present building in 1923 .
Simplified: It was first named The Pastors ' College when it opened in 1857 . When it moved to its present building in 1923 , it was renamed in honor of its starter Charles Spurgeon .