Data of Bajau learners as minority group in mainstream classes. This data includes grades of students and interview transcripts. We report how a minority group specifically the bajaus value education and how they are performing in main stream schools. Our investigation has found that this ethnic group are able to perform in comparison with the majority of the students in a class, despite their experiences of discrimination and constant struggle with hunger. We also report their certain ingroup and out-group behaviours in their schooling.