1. Heat oven to 350 degrees . Coat 6 individual oven-proof dishes with nonstick cooking spray. Bring a large pot of salted water to a boil. Add pasta and cook 1 minute less than package directions (7 minutes for pipe rigate). Drain.
2. Meanwhile, heat butter in a medium saucepan over medium heat. Whisk in flour until smooth and beginning to bubble (about 1 minute). While whisking, add milk in a thin stream. Stir in salt and pepper and bring to a simmer. Cook, simmering and stirring, for 2 minutes.
3. Toss 1/2 cup each of the cheddar and mozzarella in a bowl. Add remaining cheddar and mozzarella to sauce. Stir in goat cheese. Combine cheese sauce with pasta and stir to coat. Divide mac and cheese among dishes. Top each with about 2 tbsp of the cheddarmozzarella mixture, followed by 1/2 tbsp of the Parmesan. Bake at 350 degrees for 20 minutes, until browned on top.