Preheat oven to 350 degrees F. and cook pasta according to package directions. Remove 1 minute before suggested cook time. Drain and set aside.
Cook Italian sausage in a large skillet over medium heat. Stir in pasta sauce and cooked pasta. Transfer half of mixed pasta to a 9×13 inch baking dish.
Place Ricotta, mozzarella and Parmesan cheeses into a mixing bowl and stir to combine. Spoon dollops evenly over pasta in baking dish. Spread to cover pasta. Top with remaining pasta then top with additional shredded cheese. Bake for 30 minutes, until cheese is melted. Remove and serve warm.