What do you remember most about high school classes? The piles of textbooks, the blackboards, or maybe the students who scrambled for the teacher's attention? In the age of artificial intelligence, some classrooms are evolving into dynamic hubs of innovation. CGTN's Liu Jiaxin visits a high school in China's Hebei Province where the fusion of AI tech and traditional education is reshaping the learning experience, from classroom quizzes to student health.