Complex sentence: In 1924 he attended courses in the town of Aguadilla on teaching in rural areas held by Carmen Gómez Tejera, becoming a teacher from 1924 to 1988, both at the elementary school and university levels.
Split into simpler sentences: In 1924 he attended courses on teaching in rural areas in the town of Aguadilla. After which, he becomes a teacher from 1924 to 1988, both at the elementary school and university levels.