1. a school or institution of higher learning, especially one for specialized training
2. a secondary school, especially a private one
3. an organization of distinguished scholars, artists, or scientists that aims to promote and maintain standards in their particular field

Examples

• She enrolled at the military academy after high school.
• The dance academy offers classes for all skill levels.
• He attended a prestigious academy in New England.
• The academy of sciences published new research findings.
• Students at the police academy train for six months.
• The art academy showcases student work each semester.
• Many famous actors studied at that drama academy.