Are you a teacher that wants to give challenges to your pupils during your class? Then you must try Student Randomizer. This is a Chrome extension that selects students randomly from the given list of students. This made for teachers to help them choose the student that will perform a task or answer a question. The pupil list is saved on period and the list is kept by extension locally. The student names are saved locally on your desktop PC and it is not synced. You can browse it under file path name  %LocalAppData%\Google\Chrome\User Data\Default\Local Extension Settings

Try and install this extension for a more exciting class discussions