In the process of education quality accreditation, self-assessment is a crucial and essential step that enables educational institutions to review, examine, and accurately assess the current state of their activities. This process provides a scientific basis for the development and implementation of improvement plans to enhance the quality of education. It is also a necessary condition for educational institutions to register for external evaluation and to be recognized as meeting quality standards by an education quality accreditation organization. This article presents the current situation of managing self-assessment activities in education quality accreditation at primary schools in Cu Chi District, Ho Chi Minh City. The research results indicate that the management of self-assessment activities in the surveyed primary schools has received attention and achieved positive outcomes, although there are still several limitations and shortcomings. The study of this situation serves as an important basis for proposing management measures aimed at improving the effectiveness of self-assessment activities in education quality accreditation at primary schools.