Hunting School is an educational institution that specializes in teaching students the skills and techniques necessary for hunting. It provides courses on a variety of topics, such as firearms safety, game identification, tracking, and field dressing. The school also offers classes on conservation and wildlife management. The term 'piranhas' is often used to refer to the aggressive and predatory nature of certain species of fish, which can be found in the Amazon River basin. Piranhas are known for their sharp teeth and voracious appetite, making them a formidable opponent for any hunter.