Complex sentence: He was raised in a secular Jewish family that originated in Poland and Ukraine and attended the East Brunswick Public Schools at Frost School, Hammarskjold Middle School, Churchill Junior High School; he spent his sophomore year at East Brunswick High School.
Split into simpler sentences: He was raised in a secular Jewish family that originated in Poland and Ukraine. He attended the East Brunswick Public Schools at Frost School, Hammarskjold Middle School, Churchill Junior High School; he spent his sophomore year at East Brunswick High School.