The purpose of developing vocational literacy is to achieve vocational graduates' skill competencies that are integrated into learning to face the workplace. Vocational literacy is a person's ability to process and understand the knowledge and development of the vocational field. The previous study has synthesized a vocational literacy construct that has been valid according to linguists, an expert in instruments and assessments, and vocational education. This study intends to validate the concept for SMK students in Indonesia. The study is descriptive analysis with a survey approach to determine students' reactions to the existence of a vocational literacy concept with the dimensions and the four measuring indicators. The validation survey contains statements related to the dimension of context, mastery of knowledge, competence, and scientific attitudes and, four indicators which are work preparation, response to technology, communication and collaboration. The instrument used is a modified Likert scale (1-5) accompanied by a qualitative response from each student with descriptive narrative data analysis techniques. Respondents in this study were 2200 vocational students in all skill programs throughout Indonesia. The final result of this paper is the development of a vocational concept that is relevant to the needs of vocational students throughout Indonesia. The results of the analysis using the JASP software show that the average goodness of fit (GOF) model is acceptable, with a value of RMSEA = 0.070, (good fit) CFI = 0.949 (good fit), GFI = 0.929 (good fit), NFI = .910, (good fit), IFI = 0.949, (good fit), TLI = 0.938 (marginal fit) and chi-square with p-values <.001 (bad fit) which in the instrument and the model as a whole must be reviewed and fine-tuned. Then the results of the loading analysis show the estimated factor load value of 0.561-0.716 and the p-value shows <0.001 which means that each instrument item that represents the indicator has been significant and contributed to measuring each dimension. The construct of vocational literacy in the previous research has been valid based on the results of the confirmatory factor analysis between the concept and the needs of vocational students in all areas of expertise throughout Indonesia.