I have created a suggested improvement Tracker MDL-53324 asking for consistency with the 'Grade(s)' link on a User Profile page. If anyone has suggestions for implementation or comments, please take a look.
Summary:
Currently, when a parent logs into Moodle and clicks on their child's
name in the Mentee Block, they are brought to the child's profile page.
Their first instinct is to click on "Grade" under Reports (instead of
clicking on "Grades" in the Navigation block). The problem is that this
"Grade" link does not bring up the child's Overview Report - it brings
up the grades for the Front Page only. However, if they click on "Grades" in the Navigation block, then they are taken to the Overview Report. I think having that "Grade" link under Reports go directly to a child's
Overview Report makes the most sense from a user's perspective, instead
of having to go to the Navigation block and click on "Grades".