ensure the data that is collected, stored and/or processed on all pupils and staff is effectively and efficiently maintained so that it is as accurate and up to date as is reasonably possible
sicrhau bod yr holl bolisïau a strategaethau sydd eu hangen i hyrwyddo llesiant, iechyd a diogelwch disgyblion yn cael eu hadolygu a'u diweddaru'n rheolaidd