The aim of this research project was to determine, taking in consideration the opinion of students at Universidad au- tónoma de Yucatán, the quality of the social service projects in which they par- ticipate, in relation to six criteria previ- ously identified according to the institu- tional philosophy. Majors were arranged in three knowledge areas, and the evalu- ation was done through an instrument designed and validated by experts. the students' assessment of their projects was found to be above average, and two mayor differences were found in the cri- teria.