1) Set up a Scheduler with grading method mark out of /20
2) Go to the gradebook, Categories and items, hide the item of the scheduler
3) Grade a student participation to a meeting scheduled in the scheduler
4) log in as the student, check the scheduler: the mark is visible for the student. It is hidden in the gradebook however.

Expected behaviour (if I understood this right): hiding the item in the gradebook should prevent students from seeing their grade - it works inside the gradebook, but students can still see their grade in the scheduler module.

I checked the scheduler permissions to see if I could find a permission in the style of "see own grades" to prohibit students roles to see their grades, but couldn't find it.
Actually using Moodle 2.7.1, but it doesn't show up in the list;