Which Exam board for GCSE Science 9-1.Watch
I highly doubt your class will do any research.
That being said, however, I don't know why your teacher is giving a group of year 9s who likely don't know what they'd be getting themselves into and probably have no idea what each exam board would entail/what would be best suited to your learning. That, in my opinion, is slightly irresponsible of her. However, you asked which exam board, so to answer your question, definitely AQA