My school recently switched over to using Schoology, and while it's a lot better, the way it shows students the grades is not great. Having to click on each class individually and then finding that marking period's grade is a bit clunky and makes it harder to use, not to mention scroll through. I have seen the parent grade report page, and it is much better than the current student one. I would suggest you show more on the initial grade report screen, before you click on anything -- the button for each class takes up the full width of the section, but is mostly empty, so why don't you put something in that area? You could still keep the name of the class on the far left, then have the current marking period's grade down the center, and then the overall year grade on the far right. Attached is an example of how a single class's slot could look, and how it currently looks.
More Communicative Grade Report System