How to Download Grades from Assignments in Classroom?

To download the grades given in Classroom, go to the Grades tab in the selected course, then click on the name of the chosen assignment.
A new table with student names and their graded assignments will appear.

On the right side, click the gear icon, then choose Copy all grades to Sheets. A Google Sheet will open with all the students’ grades for each assignment. The sheet can be downloaded by selecting File > Download > format from the main menu.