It's that time of year again! Animals are enjoying autumn , sweaters are being pulled out of storage, and students all around the world are finally headed back to school. That's right, school is back in session, and we have the silly animal photos to prove it! A whole lot of people are dreading this season, because they don't want to go back to school , but here at ICanHas Cheezburger, we know a whole lot of animals who are positively thrilled for the beginning of back to school season. From do…