Background: Education is a determined activity directed at achieving certain aims, such as Background: Education is a determined activity directed at achieving certain aims, such as transmitting knowledge or fostering skills and character traits. All the educational activity shifted to the virtual platform, with the classes and examinations being conducted. Online due to the pandemic of COVID-19. Aim: The study aim was to assess the level of perception of online and offline classes among the school students during covid-19. Methodology: Descriptive research design was used to assess the perception of online and offline classes among school students. The study was conducted at selected government higher secondary schools in Tamil Nadu. The sample consisted of 300 students from the 9th to 12th grades who met the inclusion criteria.   A non-probability convenient sampling technique was used to select the samples. Conclusion: The study findings indicated that most students had a higher perception of offline classes than online classes. Hence, the researcher accepted the research hypothesis that there was a significant association between the levels of perception of online vs. offline classes among school students. Recommendation; The study recommended that since the students reported lower perception on online classes, it is crucial to improve the digital learning environment.