The purpose of this study is to evaluate the effectiveness of blended learning on the academic achievement of students in the University of Jordan. To gain in depth understanding of the phenomena under investigation, survey method is employed to collect natural data. For the sake of respondent convince all the questions asked in this survey are directed in Arabic language. Conventional sampling technique is employed due to the subjectivity of the issue. A sample of (427) students from King Abdulla II School for Information Technology at Jordan University are randomly selected. SPSS10 software is used to make statistical analysis. The robust checks of the result are made through arithmetic average, standard deviation statistics and Pearson correlation matrix. Statistical results of the study report that there is a significant and positive impact of blended learning on academic achievement of the students in university of Jordan.