Checking grades is now done through the Parent Portal.  You should have a letter explaining this process which also includes a User ID and Password specific to your child.  You may contact your child's homeroom teacher for assistance with this letter if needed.

Here is a link to the Parent Portal page:

http://www.rhs.rcschools.net/  (under "Latest News")

I encourage you to browse around and explore your child's schedule, attendance, grades, etc.  Grades are found through each class.