Hand out two manila folders to each student.
Have students place the folders flat on their desks with the folded edges facing the edges of the desk.
Ask students to open each folder and slide the tab ends together until they overlap.
Pass out tape and have students tape the tab edges together. Then have students turn the folders over and tape the overlapped edges together on the opposite side.
Show students how to stand up the desk privacy fence, using the right angles of the two folders to provide support, to protect their papers when taking a test.