dean of the school-dean alucard
elemental assassins of demon clan members- teaching rank-(highest possible rank)
elemental demon clan members-
teachers-(aka S-class)
jr reapers-upperclassmans
Teacher Helpers(TH)
A-class Combat students(AcCS)
B-class Combat Students(B-cCS)
Student Helpers(SH)
C-class combat students(CcCS)
Basic Combat Student(BCS)-(lowest rank)