isabelo r. evangelio succeeded de leon as college president in 1983. a year after evangelio's ascendancy to the office, pbmit acquired a three-hectare land in batangas city. eventually, this would become the site of batangas state university's main campus ii. evangelio was succeeded by mariano o. albayalde in 1986. in the same year, pbmit broadened its undergraduate programs in home economics, mathematics, and science. in association with technological university of the philippines or tup, a doctoral degree in industrial education management was offered in 1987. a science class with emphasis in mathematics and science of the special science curriculum was piloted in the laboratory school from 1987 to 1990 through the supervision of its principal, mercedes del rosario.