Gregorio Lemque Yap was born to parents Mauro Angulo Yap and Federica Luz Acera Lemque on March 7, 1959 at Larcon, Bongabon, Nueva Ecija.
He obtained his elementary education at Iba Elementary School in Iba, Zambales from the years 1966 to 1972 where he graduated as first honors.
His took up his secondary education at the Zambales National High School also in Iba, Zambales during the years 1972 to 1976.
In 1977, he enrolled at the then Ramon Magsaysay Memorial School for Arts and Trade (RMMSAT), now Ramon Magsaysay Technological University (RMTU), under the degree of Bachelor of Science in Industrial Technology, major in Civil Technology and graduated in the year 1982.
After graduating from college, he worked as a woodcraftsman apprentice at the Subic Naval Base Command in Subic, Zambales and was later promoted to the position of shipwright apprentice in 1983 and held position as shipwright journeyman in the year 1985 to 1992.
While working, he also took up a technical / vocational course on Stenography, Typewriting and Office Procedures (STOP) at the Central Luzon Technical Institute (now Cental Luzon College of Science and Technology) during the years 1983 to 1984.
He eventually went back to RMMSAT and pursued the degree of Bachelor of Science in Industrial Education, major in Industrial Arts / TLE which he finished in 1993.
He finished his Master of Arts in Education (MAEd), major in Educational Administration at Columban College in Olongapo City in the year 1997.
In the year 2000, he obtained his Doctor of Education degree, major in Educational Management at the Virgen De Los Remedios College also in Olongapo City.
After passing the Professional Board Examination for Teachers (PBET) in 1993, he started his teaching career in 1994 where he held the position of Elementary Grades Teacher 1 at the Cabitaugan Elementary School – Subic District in Subic, Zambales.