For that you need to follow the following instructions
1). Press windowkey+R: Run command dialog box appears.
2). Now type "cmd" and hit enter. A command prompt window displays.
3). Now type "attrib +s +h E:\collegephotos" and hit enter.
4). The folder "collegephotos" will be hidden (Note: It cannot be viewed by any search options)
(To view this folder again, use the same command but replace '+' with '-' on both flags 's' and 'h')