Student teachers' competencies in preparing to teach, doing teaching, and carrying out assessments are crucial. This is so because they are prepared for future teachers. This study investigated the perceptions of mentors at Dayah Darul Ulum Al-Munawarah Lhokseumawe regarding the preparedness and competence of the teaching practicum students in teaching practice, especially teaching practicum students' competencies in preparing themselves to teach and asseying students abilities. The research involved six mentors in the 2022/2023 academic year. Based on the results of the interviews, mentors' perceptions of teaching practicum students in teaching preparation, such as preparing syllabus and lesson plans, were favorable. However, the development of teaching materials still needs improving. The mentors' perceptions of teaching practicum students including managing the learning process, understanding students' needs, and building positive communication relationships, which were positive. Their abilities to do some things still needs to be improved, such as mastery of the subject matter and the use of learning media. In addition, the students-teachers' ability to assess students also needs to be improved, especially in designing efficient assessment instruments and analyzing the needs and characteristics of each student.