Google Sheets is a flexible spreadsheet program for organizing, analyzing, and presenting data. You can make and modify spreadsheets using Google Sheets to keep track of data, carry out calculations, and work together in real time. For instance, it can be used to make a mock grade book where you can enter the students' names, assignments, and grades. Additionally, you can then use formulas to compute averages and produce charts showing students' progress.
https://docs.google.com/spreadsheets/d/1ya63JtkPrlc-FskjoyfU6ToAxPdLxKkWCDM04TqTqCA/edit#gid=0