The present study was conduct to compare the life satisfaction and academic achievement of adolescent boys and girls. The sample for the present study consisted of 400 students in which 200 were adolescent boys and 200 were adolescent girls. The investigators used Diener, E., Emmons, R.A., Larsen, R.J., and Griffin, S. Life satisfaction scale to assess the life satisfaction of sample subjects. The previous two years academic achievement served as academic indicator of the sample subjects. The investigator used various statistical techniques viz, mean, S.D., t-test to analyze the data. The statistical data revealed that there is significant difference between adolescent boys and girls on life satisfaction and academic achievement. Adolescent girls were found to have better life satisfaction than adolescent boys and it was also found that adolescent girls were found on higher side on their academic achievement than the adolescent boys.