In order for a TA to create assignments and grade students on Extempore that sync to the correct Google Classroom account the following steps must be taken.
Steps for Primary Teacher:
From Google Classroom, add the co-teacher in Google Classroom by navigating to the class > people > add co-teacher
From Extempore, add the co-teacher as a Teaching Assistant (TA) by clicking your username > add teaching assistant
Steps for TA/Co-Teacher:
Accept co-teacher invite from Google Classroom (received via email)
Accept TA invite from Extempore (received via email)
Login to Extempore
Click ‘Sync to Google Classroom’
Authorize access (Google popup)
Select the same classes that are already synced