School mates are people who attend the same school. They are usually of similar age and share common experiences such as classes, extracurricular activities, and social events. The term 'school mates' can also be used to refer to friends made at school. The crossword solution for the term 'school mates' is FISH, which is an acronym for 'Friends In Same House'. This acronym is often used to describe people who are close friends and have known each other for a long time.