This action research study was designed to understand the causes of behavioral problems that led to an excessive number of teacher office referrals and school suspensions at a public school in North Carolina and identify behavior techniques and effective modern-day classroom management methods that could be utilized in the classroom to reduce this problem. The sample was formed by a total of 60 fifth-grade students between the ages of 10 and 11 years and six teachers. Data was gathered using parent and teacher questionnaires, school suspension records, teacher write-ups, office referrals, classroom observations, and video conferencing or face-to-face interviews. Based on the results of the data analysis and informed by the theories of prosocial behavior, behavior, and change theory, a behavior management intervention was developed and implemented for the fifth grade. Findings showed that, once the teachers learned and applied strategies to handle and prevent unwanted behavior, there was a significant decrease of office referrals, teacher write-ups, loud outbursts, off-task students, and disruptive behavior, as well as an increase of teacher confidence. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]