Simplify the following text for a Grade 11 native English-speaking person.
Original: The School was originally founded in 1480 by William Waynflete to educate the sixteen boy choristers of Magdalen College , Oxford who sang in the college 's chapel , as well as other gifted local children of high academic achievement .
Simplified: The School was originally founded by William Waynflete to educate the sixteen boy choristers of Magdalen College , Oxford who sang in the college 's chapel .