Original sentence: Powell was a pupil at King Edward's School, Birmingham, where he studied classics, specifically Latin and Greek (which would later influence his 'Rivers of Blood' speech), and was one of the few pupils in the school's history to attain 100% in an end-of-year English examination
Edited sentence: Powell was a pupil at King Edward's School, Birmingham, where he studied classics(which would later influence his 'Rivers of Blood' speech), and was one of the few pupils in the school's history to attain 100% in an end-of-year English examination