This site will store all manner of tests for you, password protected and enabled, grade the tests for after they've been taken, and email you the results. No paper involved at all. They even provide a customizable gradebook function. All for free, and without advertising. No, I don't know how they can afford to do this.
Many educators post their tests for anyone to use.
Of course, you'll need a little content and curriculum first. The name, Filamentality, is a play on words concerning the World Wide Web. This site has everything about everything, and you can trust the information to be accurate, complete and documented. Try this site. This is an online education ezine aimed directly at teachers.