School Loop does not archive Gradebook at the end of the school year, but each teacher has the option to download a copy of their Gradebook(s) as MS Excel file or to print a hard copy.
The article details the process to download Gradebooks for printing.
School Loop Plus
From the Gradebooks menu on your portal, select a Gradebook.
In the selected Gradebook, go to the Reports tab.
Under Complete Gradebook, print each period either by Name or by ID.
Repeat the steps for each created Gradebook.
Once clicked on the selected period, it starts to print, and the following page appears.