There are tons of assessment tools out there. Here are a few that you might like.
Quizizz is a great game-based quiz generator that is loaded with meaningful feedback and the kids love it.
Socrative is another test/quiz generator that has some great tools and a game element as well. I use it for pretests. It gives me awesome feedback and helps me direct my review lesson.
This is a basic tutorial, with some extras, on how to create quizzes using Google Forms.