Under the epidemic, St. Mary Online Academy (hereinafter referred to as SMOA), as a top online American high school relying on the powerful educational resources of St. Mary's School, a century-old famous school in the United States, transcends the limitations of time and space, and brings real American high school education to China, South Korea, Vietnam and other parts of the world. It has been successfully opened and operated for more than 3 years. In 2022, all of the second SMOA senior graduates have achieved great success and achievement.