Complex sentence: He completed his schooling at the Dadar Parsee Youths Assembly High School in Dadar, Mumbai and when he was 16 years old, moved to the United States to pursue his higher education at Gannon University.
Split into simpler sentences: He completed his schooling at the Dadar Parsee Youths Assembly High School in Dadar, Mumbai. He moved to the United States when he was 16 years old, to pursue his higher education at Gannon University.