This study aimed to determine students’ perceptions of the use Fresto as an online assessment system for learning English. This study involved 54 students as the respondents at 10th grade of SMA Islam Sultan Agung 1 Semarang by using a descriptive quantitative method. Questionnaires used as instrument for this study. The results of this study indicated that the percentage of advantages includes strongly agree (9.5%), agree (18.8%), neutral (48.9%), disagree (11.4%), and strongly disagree (11.4%). While the percentage of disadvantages includes strongly agree (6.8%), agree (16.5%), neutral (46%), disagree (17.2%), and strongly disagree (13.5%). It can be concluded that most students choose the neutral option for both advantages or disadvantages of fresto as an online assessment system for learning English because it is difficult to cheat on exams. However, they know that cheating is a bad thing, so they choose neutral perception because they know that the school has provided the best facilities to improve the quality of teaching and learning at Sultan Agung Islamic High School 1 Semarang.
Keywords: Assessment, Fresto, Students’ Perception