The research aims to design and implement an educational program by using “mastery learning" method to identify its effect on the performance level of some offensive skills in handball for UmmAl-QuraUniversity students. - There are significance statistical differences between the mean scores of the pre-and post-measurements for the experimental group in the performance level of some offensive skills in the handball in favor of the post measurement. - There are significance statistical differences between the mean scores of the pre-and post-measurements for the control group in the performance level of some offensive skills in the handball in favor of the post measurement. - There are significance statistical differences between the mean scores of the two posts of the experimental and control group in the performance level of some offensive skills in the handball in favor of the experimental group.