plural of parent-teacher-student association

A formal organization composed of parents, teachers, students, and staff that is intended to facilitate parental participation in a public or private school.

plural of mature-age student

A form of hypochondriasis in which medical students perceive themselves or others to be experiencing the symptoms of a disease they are studying.

plural of non-traditional student

(mathematics, mnemonic) An acronym used to remember the sign values of all the trigonometric functions in the two-dimensional Cartesian coordinate system: all, sine, tangent, cosine — signifying which of the functions are positive, in the order of the quadrants, starting at the top right and moving counterclockwise.

(informal) Language characteristic or typical of a student.

(uncommon) A female student.