This paper presents the evaluation of the online educational quality in the perspective for investigating the problem of evasion in semipresential courses at a Public Institution of Higher Education. For data collection, we use an assessment tool based on the SETE methodology. The results has shonw which factors influence directly the evasion rate in a semipresential course corroborating with the literature subject, enabling pedagogical interventions in order to decrease the evasion rates of the course.