This study aimed to identify the advantages of achievement tests forninth-grade students in District 9 of Tehran. A descriptive survey method was used for the study. The study's statistical population included allninth-grade male and female students studying in district 9 of Tehran (2016-2017). According to the inquiry received from the district's Education Department, it included 3620 students. The statistical sample size of 360 people, with an approximate volume of 10% of the population, was selected by random cluster sampling. The main data collection tool was a researcher-made questionnaire and interview used as a complementary tool. Descriptive statistics, statistical index of central tendency, dispersion index, and Friedman ranking test were used for data analysis. The results showed the strength points of academic achievement tests such as creating coordination in teaching budgeting, students' familiarity with four-choice questions, strengthening students' scientific strength, the possibility of comparing students with their situation, and healthy competition among students.
