Abstract T his study aimed at using an online assessment-based program to develop Faculty of Education prospective teachers' (third year English majors) test-making skills and self-confidence. The study was conducted in the first term of the academic year 2022-2023 during the "English Methods of Teaching" course. The study adopted the pre-experimental design. Thirty students enrolled in the 3rd year program at Minia Faculty of Education participated in the study and acted as one study group. The instruments of the study included a test in test-making skills and a self-confidence scale. The online assessment-based program consisted of nine sessions in test-making skills, two hours a week through the Zoom application.  Results showed statistical improvement in the post-measurement of test-making skills and in the self-confidence scale. Recommendations and suggestions for further research are presented.