Factors that could possibly affect science performance were family structure and parental involvement. This study assessed the science performance of three hundred and one Grade 7 students of Samar National School in relation to their family structure and perceived parental involvement of their father, mother and guardian. In attaining the goal of the study, a survey using a self-made questionnaire was used in gathering data. The data revealed that student respondents’ profile has nothing to do with their science performance, on the other hand, their type of family, head of the family, perceived parental involvement of their mother in school related activities significantly affects their science performance.
As perceived by the students, parental involvement of their father, mother, and guardian were significantly different from each other guardian is highly involved compare to their father and mother.