There are three steps, each with a video to explain the process:
1) Create a Field Set in Myeducationbc (this only has to be done once - ever!) - Create a Field Set (https://youtu.be/xuKOBu4rCUQ)
2) Extract an Excel file for each class. Extract Classes (https://youtu.be/pCoMaQHpgvc)
3) Copy and Paste the student information from Excel into simplegradebook.Import the Classes (https://youtu.be/0DZjqSwIK0k)
If you have questions after viewing the videos, please post them on the support forum!