Student new codes
-----------------

P = Present
P-L = Present but late and / or left early
A-s = Absent - sick
A-f = Absent - due to fees
A-o = Absent - other
S = Suspended

Teacher new codes
-----------------

P = Present
P-L = Present but late and / or left early
P-Int = Present but at Internal commitments or CPD
A-s = Absent - sick
A-a = Absent - authorised
A-u = Absent - unauthorised
NA = Not timetabled
S = Suspended