Complex sentence: In 1954, he completed his elementary education at the Colegio de San Juan de Letran in Manila and on 1962, he completed his secondary education at the Ateneo de Manila University.
Split into simpler sentences: In 1954, he completed his elementary education at the Colegio de San Juan de Letran in Manila. He then finished his secondary education in 1962 at the Ateneo de Manila University.