While there is currently no report with this functionality, you can create an advanced list to display this information.​​​​​​​
  1. Navigate to Analysis > Manage Lists
  2. Click the Manage basic and advanced lists block under List Actions
  3. Click the List Templates tab
  4. In the Category dropdown, select Constituent Information
  5. Click View/Copy next to Registered Students
  6. Select Display Fields, and click Select Fields
  7. Expand User Base
  8. Expand User Register and mark School Year
  9. Select the Filters Tab, and under Global Filters click the X next to School Year.Current Year is True
This will pull all results for each Student with their Grade Levels and School Year. You can export the list to Excel and search the list for any missing School Years/Grades.