Individual email templates are specific to the marketing unit and are used to establish what template will be used when sending an email directly to a student, so keep in mind that you shall need to set up the Individual email templates for each Marketing Unit.
In order to change the Individual email template, you will need to go into the Student Database app. Then you will need to click into settings, which is done by clicking on the tab which has a cog icon.
Then scroll to the bottom of the page and you'll see a section called 'Individual Emails'. Here is where you can select what template will be used when sending an email to a student directly.