what is a upn number
Unique Pupil Number (UPN) The Unique Pupil Number is a number that identifies each pupil in England uniquely. It is intended to remain with them throughout their school career regardless of any change in school or LA. Pupil Matching Reference (PMR) number. The PMR is an anonymised version of the Unique Pupil Number (UPN). As with the original field,the PMR is unique stays with the pupil throughout their time at school. Unique Learner Number (ULN) Unique Learner Number (ULN) is a 10-digit reference number issued and held by the Learner Register (LR).