The objectives of this research were 1) to study levels of ethical behavior practiced by the group of young people who participated in the training courses at Sunday Buddhist School in Wat Mai, Chanthaburi and 2) to compare the ethical behavior levels of the teenagers who attended the training courses at Sunday Buddhist School in Wat Mai, Chanthaburi. The population was 108 teenagers. The research tool was a questionnaire of the 5 rating scale with the reliability level of 0.926. The descriptive statistics used to analyze the data were frequency distributions, percentage, mean, standard deviation, t-test, F-test and the Scheffe is Method.
