Power School Grade Highlighter is a free Chrome extension developed by Mr. Jesse Gagich. This extension is designed to enhance the scoresheet view of the PowerSchool web app by highlighting grade percentages. With this extension, grades of 80% and above are highlighted in green, grades of 65% and above are highlighted in yellow, and grades below 65% are highlighted in red.

One of the key features of Power School Grade Highlighter is its ability to read and change data. However, it is important to note that this process occurs locally in the user's browser and does not involve any transmission or sharing of data. Additionally, the code for this extension is available for download or study at the support URL.

Overall, Power School Grade Highlighter is a valuable tool for users of the PowerSchool web app who want to easily identify and differentiate grade percentages in the scoresheet view. With future updates promised, this extension is likely to continue improving and enhancing the user experience.