Background: Anxiety disorders in school-aged adolescents are associated with increased rates of depression, adverse mental health and life course outcomes. Study objective was to assess the effectiveness of behavioral therapy on anxiety towards academy achievements among 50 early adolescents at selected schools in Pondicherry. Methods: Pre experimental one group pre -test & post -test research design is adopted for the study. The level of anxiety was measured through pre-test questionnaire and the effectiveness level of anxiety was measured through posttest questionnaire. Paired - t test and Chi-square test was done for statistical significance. Results: Overall 76% were mild and 24% had moderate level of anxiety towards academy achievements among early adolescents. The paired ?t test value of t = 8.541were statistically highly significant. The religion were statistically significant(p<0.05) in pre-test of the level of anxiety and The gender, socioeconomic status and stage performance in school annual day were statistically significant(p<0.05) Post-test of the level of anxiety. Conclusions: The Intervention on Behavioral therapy the researcher in order to reduce the level of anxiety regarding anxiety towards academy achievements among early adolescents.