The phrase "at school" refers to someone or something that is currently located within the confines of a school building or is involved in school-related activities. Some synonyms for "at school" include studying, learning, attending class, in session, enrolled, and in education. People who are at school could also be described as pupils, students, or scholars. Other phrases that can be used interchangeably with "at school" include on campus, in school, in the classroom, and taking classes. Regardless of the specific phrasing used, the underlying meaning of these terms is largely similar: someone is engaged in educational pursuits within a school environment.