(statistics) Any statistical hypothesis test in which the test statistic has a Student's t-distribution if the null hypothesis is true.

(education) An adult learner.

(machine learning, humorous) The process of choosing hyperparameters manually and in an ad-hoc manner, typical of work assigned to a graduate student.

Alternative form of nontraditional student

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 studentship

The position or role of a student. / An endowment or scholarship for a student.