Aim: The study was conducted to Assess the Oral hygiene KAP among 8–14 years old, School Going children in Meerut, Uttar Pradesh, India. Materials and Methods: The study was conducted among selected schools in the age group of 8–14 years. About 500 children were selected both males and females through Cluster sampling, The children’s answered questionnaire regarding oral Hygiene KAP among school going children. Results: Overall the level of knowledge score was statistically significant with P = 0.001. There was statistically significant difference with P = 0.001. Data collected regarding oral Hygiene KAP had been subjected for Statistical Analysis using SPSS Statistical Software 22.0 Chicago Inc. When comparing it was observed that statistically significant difference with P < 0.001 was found. Conclusion: The overall level of oral health knowledge among the surveyed children was low.