sentences:  Other studies provided quantitative data in support of these behavioral benefits by showing that students who participate in an after-school program on average have less disciplinary citations, are suspended less, and are expelled less than their peers who do not participate in any activity.On the other hand, a study of after-school programs in Maryland found participants to engage in more rebellious behavior than non-participants.After-school activities have had proven impacts on decreasing the gap in academic achievement between white students and students of color in the United States.