This research has led to the application of data mining techniques to compare methods of data mining to predict academic achievement of students. Prince of Songkla University Campus to serve as a guideline for admission and graduation. And help in the decision of the faculty, employees and students. The data were compared to the data mining to predict academic achievement of all students, three methods are classified by a decision tree. Naive Bayes classification technique and neural network modeling techniques. Using WEKA version is 3.6.10.