How many types of volcanoes are there?

what is the best answer to

Question by Candace: How many types of volcanoes are there?
I'm confused, I've researched and there are so many different answers I'm getting. 3, 5 , and 6?
How many are there really?
And what types are they?

Best answer:

Answer by Ryan A
compostie, shield, sub marine

thats all i know of!