Introduction: Near peer learning is an educational practice in which students interact with other students to attain educational objectives. It is becoming increasingly popular as a learning methodology in schools and colleges. It involves students exposed to similar circumstances, from the same educational programme, but at different levels. Objective: This study aims to assess the effectiveness of near-peer learning on knowledge and practices related to the preven tion of water-borne diseases, among primary school children. Methods: An evaluative research approach with one group pre-test post-test is designed to assess the effectiveness of Near Peer learning on knowledge and habit making on prevention of water-borne diseases among primary school children. In this study, students of 13-14 years age group will be selected and the researcher will teach them regarding the prevention of water borne diseases. Primary school children of age group 9-12 years, constituting both boys and girls will also be selected through a convenient sampling technique. Then one elder child will be teaching 10 younger children regarding the same. Pretest and post-test will be done. The questionnaire comprises demographic Performa, knowledge questionnaire, and practice checklist for hand washing and personal hygiene. Knowledge and practice Mean pretest score and mean post-test knowledge score will be compared. Conclusion: Near peer learning is helpful for students to learn effectively. Health education can also be imparted using a near peer learning strategy in all settings, and especially among school students. At a time when health resources are stretched and demands upon health personnel are increasing, it offers students the opportunity to learn from each other. It gives them consid erably more practice than traditional teaching and learning methods in taking responsibility for their health.3