You can do this using the following sets of steps.
First, you can create an Official Note template using the following steps:
  1. Navigate to onBoard > Settings > Official Notes. 
  2. Click +Add Template. 
  3.  Enter a description for the template, such as Re-enrollment Contract Letter 2016 | 2017. 
  4. Use the User and Admission placeholders to compose a template letter. 
  5. Click Save & Close.
  6. Next, you can specify that an email be sent to the parent whenever an Official Note of this type is created:
  7. From the Official Notes screen, click the edit pencil next to the appropriate Note Type. In this case, you chose Re-enrollment. 
  8. Click on the name of the template you created, Re-enrollment Contract Letter 2016 | 2017, to add it to this note type. 
  9. Verify that the Display, Required, and Email checkboxes are marked on the Parent of Candidate row. This means that whenever a note with this type is created, an email will be generated and sent to the Parent of the Candidate. 
  10. Click Save & Close.