Complex sentence: In 1979, Leder graduated from John L. Miller Great Neck North High School and in 1983, earned his Bachelor of Science degree in economics from the Wharton School of the University of Pennsylvania.
Split into simpler sentences: In 1979, Leder graduated from John L. Miller Great Neck North High School. Leder earned his Bachelor of Science degree in economics in 1983 from the Wharton School of the University of Pennsylvania.