Simplify the following text for a Grade 10 native English-speaking person.
Original: In 1954 , DuprÃ succeeded Claude Delvincourt as director of the Paris Conservatoire , where he remained until 1956 .
Simplified: In 1954 , DuprÃ took over from Claude Delvincourt as director of the Paris Conservatoire , where he stayed until 1956 .