Aaron Opell, Cyberpatriot and Head of Vector IT, has created a new Schoology Chrome Extension, Schoology Plus, that "makes a lot of quality of life changes to the Schoology website and adds some cool features like the ability to see the effects of a changed or added grade."
The extension is open source, and you can view the feature list, download link, and source code here: https://github.com/aopell/SchoologyPlus
Direct web store link: https://chrome.google.com/webstore/detail/schoology-plus/fbfppoaockpecjpbdmldojdehdpepfef
Give it a try and let him know of any suggestions you may have or bugs that you find.