Try not to jump to conclusions when other people probably have not. Your primary concern is the overall climate in which you and your students coexist. A very important challenge for you will be the ability to separate who your students are from the behaviors they exhibit, especially their negative or disruptive behaviors. Your ability to recognize that the students are not their behaviors will allow you to accept them without necessarily accepting those behaviors. Be sure, too, that your students have plenty to do.
Undirected kids have a way of turning time on their hands into classroom disruptions.
Finally, a classroom atmosphere that emphasizes responsibility and cooperation, in which you model the positive behaviors you would like them to demonstrate, tends to minimize the kids of resistance and rebellion that lead to so many classroom conflicts. I Want my Classroom to Run Smoothly Time management and classroom planning are always more challenging for new teachers. You may never have had to deal with certain management issues before. Everyone else had to at some point, and being aware of these policies will immediately make life easier. Sometimes a great learning experience goes down the tubes simply because the students do not have the independence and basic learning skills necessary to do the work.