Many instructors already use WordPress to run course websites. Now they can also use WordPress to let students securely check their grades online.
If you are upgrading from a 0.1+ to a 1.+ version, don't do it until you read the important comments at the top of the plugin file!
[KB Gradebook]somewhere in the body. Navigate to this new page. You should see a form for checking grades.
You can test that it worked by adding yourself to your gradesheet before uploading it (as if you were a student). Then, you can punch your own email address into the grade viewing page and see what happens.
If you like, you can add the KB Gradebook widget to your sidebar at this point. It will want to know the URL of the grade viewing page, so make sure you create that first.
This plugin is provided "as is" and without any warranty or expectation of function. I'll probably try to help you if you ask nicely, but I can't promise anything. You are welcome to use this plugin and modify it however you want, as long as you give credit where it is due.
If you are using this plugin for profit (i.e. you're using WP-MU and charging people to use this plugin), contact me and cut me in, eh?
An additional disclaimer: Your grade information is only as safe as your WordPress database. It remains your responsibility to decide whether using this plugin keeps your students' data adequately private. See the FAQs for more about security.