Résumé:
Nowadays, Algerian educational system faces a complex phenomenon which is the private supplementary tutoring. Hence, the majority of students become relying on that concept.
Tutoring which made ignore the formal studies and some teachers exploit the situation for
financial side. Thus, the private supplementary tutoring can be seen as an educational ,social, ethical and economical phenomenon in Algeria .This study aims to investigate the private supplementary tutoring and its effect on third year learners of Ahmed Abdelghani high school in Mostaganem .in addition to identify the main reasons that drove the students and teachers to deal with tutoring and trying to achieve solutions in order to overcome this phenomenon. this research based on two questionnaire addressed to both teachers and learners of Ahmed Abdelghani high school in Mostaganem . The data revealed that among the reasons leading some learners to resort to the private supplementary tutoring are the bad level in some subjects and the need of more information and explanation and also the lack of receiving information from the teachers. On the other hand, some teachers supported tutoring of financial and educational reasons.
