Abstract
Data mining has become popular in many fields, including education. Data mining tools are used to extract valuable information and knowledge from big data sources. Classification which is an important technique in data mining makes the movement forecastable from available data. For universities, the priority is always placed on the analysis and forecast of students’ study results and employment opportunities after graduation. This article discusses about building classification model with C4.5 algorithm, utilizing the data source from the Faculty of Information Technology graduates. Its objectives are to analyse and assess the relationship between study results and employment opportunities, then facilitate the study and career orientation for students in the future.