Teachers play a vital role in promotion of health and prevention of disease. For implementation and efficient monitoring the teachers should posses’ adequate knowledge regarding child psychiatry. It is the responsibility of the teachers to detect the behavioral problem as earliest as possible so that prevention can be initiated. This study was conducted to assess the knowledge of primary school teachers regarding behavioural problems and their prevention among school going children in selected Government primary schools in Bagalkot; with a view to develop an information booklet.