This study has collected the data, analysed it, and drawn the necessary scientific conclusions to standardise the toolkit to evaluate educational accreditation activities' influence on training program development in Vietnam. The research method of the article includes building survey questionnaires and collecting data from 80 lecturers in 10 universities in Vietnam and then using secondary inferences based on data analysis using the Statistical Package for the Social Sciences version 26.0 and Analysis of Moment Structures software. The results obtained include the design and standardisation of the closed-question questionnaire according to 5 levels of the Likert scale. Based on the criteria of the questionnaire, the research showed that the criteria were correctly arranged, consistent with the internal content of the factors in the independent and dependent variables, as well as with the proposed research model. From that, the study has provided a solution to standardise a usable accreditation toolkit suitable for higher-education conditions in Vietnam.