These are the steps if you want to find old school friends on Facebook: Step 1: Log on to your Facebook account. If you don't have a Facebook account, creating one takes just a few minutes. Step 2: Click the down arrow next to the word "Search" on the left side of the screen. This will give you a drop-down menu of search functions. Step 3: Select the "Find classmates" option from the drop down menu. It will take you to another screen when you can enter your school information.