Mouth or oral cavity is the first part of the digestive system. Taking care of mouth is as important as taking care of body. Aim of this study was to evaluate the effectiveness of awareness program on the importance of oral care among students in selected schools. Objectives were to evaluate the knowledge of children about the importance of oral care before and after teaching, to evaluate the effectiveness of teaching about importance of oral care among school children and to find correlation between Pretest scores about the importance of oral hygiene among children and their demographic variables. A structured interview questionnaire was used to collect data from 50 samples through interview technique. One group pretest posttest design was used. Theoretical concept used was the open system model. Descriptive and inferential statistics used to analyze the data. Independent "t" test shows a significant improvement in knowledge after the teaching programme (t = 35.2, P> 0.05). No significant relationship exist between pretest knowledge and demographic variables.