The purpose of this study was to investigate teachers’ perceptions of children in their classes for which an instrument or a checklist for teachers was developed to help in the identification of ADHD in children. Problem Behavior Rating Scale for teachers was developed and its reliability was measured. Analysis of the data was performed to describe teachers’ perceptions of children on the basis of class, age and gender of children with ADHD disorder. It was found that there were age and gender differences in children with ADHD. There was class wise difference also in children with ADHD.