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± Incomplete data provided
* No or partial records provided, eg, only staff complaints against staff, but not student complaints against staff
** Figures not provided for all five years
*** 20 Cambridge colleges provided inexact figures, ranging from 0-5. These have been counted as one
35 other universities provided figures of <5, <6, <7 or <10 for some or all types of complaints and their outcomes, which have been rounded down to one
Figures for both Oxford and Cambridge do not include staff complaints about students