The research objectives were (1) to examine the English communication competency of students from Maha chulalongkorn rajavidyalaya University, (2) to compare English speakin of students before and after the treatment, and to (3) explore students’ opinions towards the lessons created and planned according to the complete package of speaking skill training. The subject were 15 Maha chulalongkorn rajavidyalaya University students in the first semester of academic year 2021 at Maha chulalongkorn rajavidyalaya University, Nakhonratchasima campus, Nakhonratchasima Province. They were selected by the simple random sampling technique. Twelve weeks were spent on this research. The instruments were (1) the questionnaire related to students’ problems about the English instruction, (2) classroom observation, (3) semi-structured interview, (4) teaching notes, (5) speaking criteria, and (6) teaching materials. The scores of English speaking competency were analyzed and interpreted statistically in terms of mean (xˉ), standard deviation (S.D.), and t-test (pretest and posttest) with the criterion of 70%. The results of the study showed as follows: 1) after having been exposed to the complete English package of speaking skills training, most participants’ scores in the posttest were higher than the pretest. The scores of students' English speaking competency on the posttest of each aspect: grammar, comprehension, clarity, pronunciation, and fluency, were higher than pretest scores with statistical significance at the 0.05 level. 2) The scores of the students' English speaking competency on the overall aspect posttest were higher than pretest scores with statistical significance at the .05 level. Most samples’ scores in the posttest were higher than the criterion of 70%. Moreover, the scores of the students' English communication competency posttest of each aspect: grammar, comprehension, clarity, pronunciation, and fluency, were higher than the criterion of 70% with the statistical significance at the .05 level. And 3) the overall satisfaction to the complete package of English communication training was in the highest level with the mean of 4.87. In conclusion, the majority of students’ communication competency and listening skills developed satisfactorily. They had a positive attitude on the complete package of speaking skill training.