OneNote Faq
 data from within SIMS. If this data is not present then OneNote will not know what classes (and students) the teacher should have access too and will not be able to write assessment data back to SIMS.
Should I use OneNote for desktop, the Windows 10 OneNote application or OneNote online?
In many ways the choice is yours, you can switch between the styles of OneNote as you decide if you are using a personal device or a network device that you log into (dependent on how your network manages profiles). If you use a shared machine, that you do not log into with individual logins, then we advise that OneNote online is used. This is because the devices caches the login details for the first user.
Class notebook can be shared with a teacher who is not assigned to the class in SIMS. However, when they come to manage the notebook, they find the course as they are not assigned to the class in SIMS
This is correct Microsoft OneNote behaviour there are a large number of reasons that a notebook could be shared. Assessment grading can only be undertaken for classes and student the grading teacher is assigned to in SIMS.
Students can be assigned to Class Notebooks as Teachers.
This is correct Microsoft OneNote behaviour. Students can be assigned as teachers to support peer and flip learning scenarios. Assessment grading can only be undertaken for classes and student the grading teacher is assigned to in SIMS. This means that students will not be able to retrieve or input other students assessment grades.