This study emphasizes the common perceptions of students regarding discipline selection on their parents’ advice and its impact on academic attainment in tertiary education. The objective of this particular study was, to find out the effect on academic achievement of discipline selection on parental advice. A mixed-method approach was utilized. The target population of the study was comprised of senior students of BS-level programs. Samples for qualitative and quantitative were 15 and 382 respectively. Phenomenological design for the qualitative part while survey design was employed for the quantitative part. Word cloud and thematic analysis were used for the qualitative data, while Pearson (r) and linear regression were employed as inferential statistics for the quantitative data. The findings reveal a weak positive association between discipline selection based on parents' advice and academic performance. The study recommends that parents should recognize and respect their children's autonomy in making subject selections.