The student is a part of the national aspiration which will be lead to future advancement. The student should has high integrity as a reflection of the academic ability which thereafter pursued their study at university. The science absorption during study measurable base on the academic grade. To proved how science has been accepted by the student, it could be measured from the student thesis. However, the relationship between the academic grade and the student research topic is mostly irrelevant. Mastery of science and research themes has no correlation, therefore the student's ability to accomplished the research was not properly. In order to map the research field, the coursework and student research field interest can be done by grade classification. The data classifier technique can use the simple Naive Bayes method with fairly accurate output. It could be an intake for the student to choose the research topic which suits their academic grade.