This research aims to analyze the extent to which the questions in the English textbook for eleventh grade in Indonesia reflect Higher Order Thinking Skills (HOTS) and
explore teachers' understanding of the questions. The method used is content analysis of the questions in the textbook and surveys of English teachers. The results indicate that the questions in the eleventh grade English textbook mostly reflect lower-order thinking skills, while only a few questions meet the criteria of Higher Order Thinking Skills (HOTS), in addition, teachers' understanding of HOTS questions in the eleventh grade textbook remains limited, with only a small proportion able to apply them effectively in teaching. Furthermore, although 60% of teachers have a good understanding of HOTS, only 30% are able to apply them in the learning process. These findings indicate that there are still significant challenges in integrating HOTS into English education in Indonesia. Therefore, this study recommends improvements in teaching materials, professional training for teachers, and the development of a more interactive learning environment to support the development of students' critical and creative thinking skills.