Although innovation and the support of new technologies are much needed to ease the burden on the education system, social robots in schools to help teachers with educational tasks are rare. Child-Robot Interaction (CRI) could support teachers and add an embodied social component to modern multi-modal and multi-sensory learning environments already in use. The social robot Pepper, connected to the Large Language Model (LLM) ChatGPT, was used in a high school classroom to teach new learning content to groups of students. I tested the technical possibilities with the robot on site and asked the students about their acceptance and perceived usefulness of teaching with the help of a social robot. All participants felt that the robot's presentation of the learning material was appropriate or at least partially appropriate and that its use made sense.