Answer: TAS

AnswerCrossword Clue
TASSometime classroom leaders, briefly
TASProf.'s class aides
TASUniv. helpers
TASAustral. state
TASHelpers for profs
TASProfs' helpers
TASAcademic aides, briefly
TASColl. helpers
TASBrits' thank-yous
TASProfs' aides
TASJobs for grad students
TASColl. aides
TASThey may grade univ. papers
TASSome univ. staff
TASBrit's "thank yous"
TASBrit's thank-yous
TASCollege aides (abbr.)
TAS... in Tango
TASHelpers of profs
TASProf's aides, briefly
tasthanks
TASAussie isle, for short
TASProf.'s aides
TASUniv. instructors
TASProf's helpers
TASSome grad students
TASRecitation section leaders, briefly
TASProfs.' helpers
TASChinese pagodas
TASAides to a prof
TASProfs.' aides
TASCollege aides: Abbr.
TASIsl. off Australia
TASGrunts in class?: abbr.
TASProfessorial stand-ins
TASProf.'s helpers
TASColl. professor's helpers
TASGrads who grade, often
TASAides for some profs
TASProf's aides