The objectives of this research were to: 1) develop a training course to enhance knowledge and understanding of COVID-19 and the management of education in the new normal era for student teachers, 2) study the effectiveness of the training course; 3) compare the knowledge and understanding of student teachers before and after the training; and 4) study the satisfaction of student teachers towards the training course. The research sample group consisted of 17 third-year student teachers who were studying in the Bachelor of Education program at Rajamangala University of Technology Thanyaburi. The sample group was selected using a multi-stage random sampling method. The research tools used were: 1) a training course curriculum, 2) a knowledge and understanding assessment questionnaire, and 3) a satisfaction survey questionnaire. The statistical analysis used to analyze the data included mean, standard deviation, E1/E2 efficiency ratio calculation, and t-test for dependent samples. The research findings were as follows: 1) the training course effectively enhanced knowledge and understanding of COVID-19 and the management of education in the new normal era for student teachers, 2) the training course had an efficiency ratio (E1/E2) of 83.82/80.98, 3) the knowledge and understanding of student teachers significantly improved after the training, with statistical significance at the 0.05 level, and 4) student teachers' satisfaction with the training course was high.