By following the entire categories of ECA's, our targeted respondents were university students. Our D.V was "Personality" and I.V's were "ECA's&"Educational Performance" We've found that more participation in ECA's can make the students as a shining stars, build up their leadership qualities, make them future leaders and improve their sportsmanship. Our hypotheses also retrospective that Extracurricular Activities can develop the personality (Big Fives). Our targeted audience were university students (N=941) who belongs to different departments of five dissimilar universities, as well as Arid Agricultural University Rawalpindi, B.Z. University Multan, COMSATS IIT Vehari, GC University Faisalabad and NCBA&E-Layyah campus. Most of the respondent were interested in the cricket, bivariate correlation and the Results of our research study are robust because (Significant level) Sig. (I-tailed) among D.V & I.V were significant and strongly positive to each other. We've used the five point likert scale to check the personality traits and then analyzed the descriptive statistics, likewise regression coefficient, Pearson (r), R2, , ANOVA, Standard Deviation, Durbin-Watson and Residuals Statistics. Cronbach's Alpha was 0.8.