The purposes of this study were 1) to study levels of English teaching and learning achievement of the university students in eastern Thailand, and 2) to create a structural equation model of English teaching and learning achievement of the university students in Eastern Thailand. The sample group was 395 students from 9 public universities, and the instrument used to collect the data was a questionnaire. The data was analyzed by descriptive statistics: percentage, mean and standard deviation, and inferential statistics to test hypotheses through the structural equation in order to analyze a causal relationship influencing the achievement of English teaching and learning of university students in eastern Thailand