To add default email addresses on communication > send email screen while sending emails to the parents/teachers/admins.
Settings from the admin dashboard are required, Please go to:
Settings > General Settings > Communication Settings:
Select Teachers/Admins records in Default CC drop down of Communication Settings as per requirement and SAVE.
Once the above setting is done now on Admin Dashboard/Teacher Portal:
Communication > Send Email screen 'Default CC Email Addresses' will display all the selected teachers and admins.
Admin can change the selection as their requirements.
Also, on the same screen communication > send email a field as 'Additional CC Email Addresses' where admin/teacher can type/enter an email address(es) those who are not in the default CC or system via comma separated.