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The number of COVID-19 cases, which is increasing day by day, on May 15, 2021, the death rate due to Covid-19 in Indonesia is 2.76 percent. Meanwhile, the percentage of cases of death due to Covid-19 in the world is 2.07 percent compared to the period of February 2021. The purpose of this study was to determine knowledge, attitudes and actions towards COVID-19 among high school students during the period of rapid increase in the COVID-19 pandemic. The method used in this research is a qualitative descriptive study. A survey obtained information from various sources with direct/in-depth interviews with informants, namely students, teachers and principals at high schools to obtain information about students' knowledge, attitudes and actions about COVID-19. Health protocol.From several informants interviewed, it is known that knowledge about COVID-19 is very good, while the attitude shown is still ordinary and actions that have not fully followed the Health protocol. The conclusion shows that appropriate and useful health education for students to encourage an optimistic attitude and maintain safe actions about COVID-19 among other students in the future.