The current research aims to study the effectiveness of a counseling program based on Mindfulness in increasing concentration of attention and Reduce psychological stress among the general secondary stage. To achieve this goal, a counseling program has been developed that depended on activities that promote Mindfulness, in addition to a measure of Mindfulness, a measure of attention and a measure of psychological stress. The participants in this study were 74 students; It was divided into two groups. Experimental group (EG) consisted of 36 students while the control group (CG) consisted of 38 students. An experimental pretest and posttest control-group design was used in this study. The Mindfulness activates was conducted to the experimental group during the actual lesson period for 12 weeks with 50 minute sessions conducted three times a week. The results concluded that there are statistically significant differences between the pre and post measurements of the experimental group in both the dimensions of mindfulness and the total degree, as well as the level of attention in favor of the post measurement, while there were no statistically significant differences between the pre and post measurements of the experimental group in the degrees of the measure of psychological stress. The results also found that there were statistically significant differences between the experimental and control groups in both the dimensions of Mindfulness and the total degree, as well as the level of attention in favor of the experimental group, while there were no statistically significant differences between the experimental and control groups in the degrees of the measure of psychological stress. The researcher recommends support classroom and non-classroom activities. That increases the level of Mindfulness due to its importance in reinforcement of cognitive functions represented in attention to its main role in raising the level of academic achievement, and Reduce psychological stress