Data mining is the powerful technology for analyzing important information from the data warehouse. It is the extraction of hidden predictive information for better decision making. Data mining is one of the steps in KDD process. Knowledge discovery (KDD) aims at the discovery of useful information from large collections of data [2]. The main goal of data mining in the KDD process concerned with the algorithmic means by which patterns or structures are enumerated from the data under acceptable computational efficiency limitations. The new concept of educational data mining techniques, is rapidly growing [3] in the education field. It helps to make analysis on the student activities and also improves their performance.