Abstract: There are many teaching practices to be used in a classroom setting in order to enhance student’s competences specifically learners with mental disabilities. Target of this paper was to assess the influence of teachers’ practices on learners with mental disabilities competences in primary schools of Rwanda, Case of Bugesera district Rwanda.It was with three specific objective such as to identify the teachers competences in Bugesera primary schools ,To assess the learners with mental disabilities competences primary schools to examine the influence of teachers’ practices on learners with mental disabilities competencies in primary schools of Rwanda, Case of Bugesera district Rwanda.