The term 'Graduation Ball' is often used to refer to a formal event held at the end of the school year, usually for high school or college students. It is also known as a PROM, which is a four-letter word that can be used to describe the event. The Graduation Ball is typically a semi-formal or formal event where students dress up in their best attire and celebrate the end of the school year. It is often accompanied by music, dancing, and other activities.