Complex sentence: Beckham attended St. Mary's High School in Cheshunt, where she was embarrassed by her family's wealth and often begged her father not to drop her off outside the school in their Rolls Royce.
Split into simpler sentences: Beckham attended St. Mary's High School in Cheshunt. She was embarrassed by her family's wealth and often begged her father not to drop her off outside the school in their Rolls Royce.