Social networking has changed human life style in the recent era. The impact of use of social networking has not only resulted in globalization but has influenced many other vital factors of human performance This study aimed at exploring impact of Facebook usage intensity on academic grades of the private university students. It was hypothesized that there will be a significant impact of Facebook usage on university student grades and that there will be a significant gender difference on the variable of Facebook intensity scores. Quantitative method was chosen for the study with a survey strategy. The data was collected from a total number of 275 participants from 13 different private universities of Pakistan. Hypotheses were tested using linear regression analysis and independent sample t-test. The data analysis revealed that Facebook usage doesn't predict university student grades and likewise there is no gender difference found on the variable of Facebook intensity. The study was concluded elaborating the discussion and providing recommendations for the future study.