Here are some topics you may be interested in:

• Recent class activities (e.g. the first weeks experienced by foreign students at our school)
• People on campus who you are interested in talking to (e.g. teachers, classmates)
• An informal survey on a special topic (e.g. students' choices of clubs)
• Certain aspects of life at school, such as "life in the dorm," "what we do after school"