The main purpose of this study is to prove that tests, evaluations and personality files that are used at education institutions to follow student's interest, skills, personal and occupational developments can be realized in a web-based decision support system. In this assistance, during the student's educational life the following development and decision process is keeping to target in the electronic environment. With this study it is aimed to decrease required labor force, time, cost and paperwork which are required for guidance services and it is aimed to access fast and effectively to information. At the same time, when student transferred to another institution, it is provided that required information of student is also transferred to related institution. E-guidance and counselling decision support system is developed for students as a fast and effective solution for appropriate choices to make required decision, especially in knowing their interest and skills and depending on this, knowing their profession that they will apply willingly throughout their life.