Simplify the following text for a Grade 4 native English-speaking person.
Original: At the age of five , Eric Blair was sent as a day-boy to the convent school in Henley-on-Thames which Marjorie attended -- a Catholic convent run by French Ursulines , exiled from France after religious education was banned there in 1903 .
Simplified: When he was five , Eric was sent to a convent school where Marjorie went to . It was a Catholic convent .