You may wish to remove the prefix from the front of your registration groups.
This article will teach you...
How to remove the prefix from the front of your registration groups.
Removing prefix
By default, the year group is prefixed in front of the registration group (if configured this way within Arbor).
This preceding year's value can be removed from the reg group where desired. This is normally only required by schools that do not have a vertical year group structure.