The Present Study Was Conducted to Examine the Effect of 100 Aggressive and 100 Non-Aggressive Student Selected on the Basis of 25 Percent Higher and 25 Present Lowest Scoring on Manifest Aggression Scale Social Emotional and Total Adjustment Including Self-Estimate. Adjustment Was Bell’S Adjustment (Hindi Adaptation) and Self Esticate Was Measured By Health Adjustment, Home Adjustment, Social Adjustment, Emotional Adjustment, Total Adjustment and Self-Esteem. on the Basis of the Finding of the Study It May Be Concluded That Aggressive and Non-Aggressive Groups of Schools Students Differ Significant In Adjustment and Self-Esteem and Aggressive Groups of School Students Are Poor In Home, Health, Social, Emotional Including Overall Adjustment As Compared to Non-Aggressive Groups of Students. Aggressive Groups of Students Are Generally Lower In Self-Esteem Than Non-Aggressive Groups of Student.