The first year of tertiary education in the Philippines is considered crucial as this is a turning point for students as they become one step closer to their chosen profession. This study aims to analyze the interrelation of senior high school academic performance and college basic accounting performance of the first year Bachelor of Science in Accountancy students of the University of Batangas. The study is founded on the Cognitive Theory developed by Jean Piaget, which suggests that the introduction of new knowledge must be done through association with prior knowledge. The data gathered from 190 randomly selected students were analyzed and interpreted using frequency count and percentage, weighted mean, and regression analysis. The study showed that the majority of the respondents performed better in theory as compared to problem-solving. The study also revealed that the respondents’ academic performance in senior high school has a significant relationship to their performance in college basic accounting in terms of theory and problem solving. Also, the study revealed that professors in Fundamentals of Accounting, Business and Management, academic distinction, and general averages have a significant relationship to the basic accounting performance of the students.