When many students are tardy at the secondary level, teachers must continually restart instruction or delay beginning instructional periods throughout the school day. To address the considerable amount of instructional time lost caused by high rates of tardiness, the authors investigated the results of schoolwide intervention to reduce student…

In New York City, middle school educators experience student behaviors that adversely affect the school environment and academic achievement. These middle school teachers indicate that the current traditional measures used to address these issues are ineffective. As a result, there is now an appeal from these middle school teachers to institute…