THE AIM OF THIS STUDY WAS TO DETERMINE THE (EFFECTIVENESS OF mindfulness-based stress reduction program) IN THE reduction ANXIETY AMONG FEMALE STUDENTS IN BOARDING SCHOOLS. THE STUDY WAS A SEMI- EXPERIMENTED DESIGN, PRETEST- POS TEST AND CONTROL GROUP. THUS, USING A SCREENING METHOD, 30 SUBJECTS. WERE SELECTED AND WERE ASSIGNED IN TWO EXPERIMENTAL AND CONTROL GROUPS (15 SUBJECTS IN EACH GROUP). THE EXPERIMENTAL GROUP RECEIVED 8 SESSIONS OF MINDFULNESS- BASED stress reduction TRAINING. HOWEVER, THE CONTROL GROUP DIDN'T RECEIVE ANY INTERVENTION. DATA WERE COLLECTED THROUGH BECK ANXIETY QUESTIONNAIRES. DATA WERE ANALYZED BY ANALYSIS OF COVARIANCE. RESULTS SHOWED THAT THERE WAS A SIGNIFICANT DIFFERENCE BETWEEN TWO GROUPS IN TERMS OF ANXIETY. THEREFORE, mindfulness-based stress reduction programS RESULTED IN THE SIGNIFICANT reduction OF ANXIETY AND IMPROVEMENT AMONG STUDENTS. HENCE, IT COULD BE CONCLUDED THAT MINDFULNESS- BASED stress reduction programS COULD DECREASE ADOLESCENTS ANXIETY.