Simplify the following text for a Grade 11 native English-speaking person.
Original: In 1907 , he was appointed Professor by Gabriel FaurÃ at the Conservatoire de Paris , replacing Raoul Pugno . He continued to teach at the Paris Conservatoire until 1923 , where his pupils included Clara Haskil , Yvonne LefÃ bure , Dinu Lipatti , Vlado Perlemuter , Simone PlÃ - Caussade , and Marguerite Monnot .
Simplified: From 1907 to 1923 Cortot taught at the Paris Conservatoire , where his pupils included Clara Haskil , Dinu Lipatti , Vlado Perlemuter .