(informal) Very cool (trendy, fashionable, etc.).

(US, law enforcement) A police officer stationed at a school, such as a high school.

plural of school resource officer

(UK, education) A state-funded school in which a (usually religious) foundation or trust has some formal influence in running the school, but less than for a voluntary aided school.

(UK, education) A state-funded school in which a (usually religious) foundation or trust contributes to building costs and has a substantial influence in running the school.

(UK) A woman employed to prepare, serve or supervise school dinners.

plural of school dinner lady

(US, education) An informational event in the evening where students' guardians meet their students' teachers and are introduced to the routine, curriculum, policy, etc.

plural of public school

plural of law school