It is very important that the instruments that are designed and applied to gather information in research are evaluated by experts. The purpose of this study was to identify the sustainability of Study Plan of School of Sociology (SPSS), an educational institution belonging to the Autonomous University of Guerrero, Mexico. To fulfill this purpose, the methodology was framed in two phases. The first consisted of the elaboration of a questionnaire for ten experts with 28 closed questions regarding sustainability with the dimensions (curriculum, teaching-learning strategy, environmental competences of the teachers and environmental competences of the students, some of them related to health issues). In this same phase, the validation and reliability of its content was carried out. The second phase consisted of applying the validated questionnaire to 115 students of the (SPSS). Results: The questionnaire focused on the evaluation of the (SPSS) was designed and elaborated, the instrument presented adequate levels of content validity from the application in 10 judges (V of Aiken ≥0.75). Favorable percentages above 80% were observed. In the validation of experts, it was found that the dimension (1) Curriculum presented a score of 0.928125, for the dimension (2) Teaching-learning strategy 0.953125, the dimension (3) Environmental competences of the teachers 0.921875 and for the dimension (4) Environmental competences of the students 0.93125., With this, it was appreciated that the values are positive above the .80 considered adequate.  In conclusion, the instrument has adequate levels of validity and reliability.  With regard to the first phase, this was the reason why this instrument was applied to 115 students of the (SPSS).  The results of the applied questionnaire showed that sustainability (including health issues) is minimally related to the curriculum, the teaching-learning process and competences. For some decades it has been recommended to educational institutions including universities that their curricula contribute to the sustainability that is required in the world.