Luxemburg Casco Middle School - Business Directory Go back to directory. Add to Address Book. Luxemburg Casco Middle School Luxemburg Casco Middle School 512 Center Drive Luxemburg WI 54217 postal Business Phone: (920) 845-9525 Website: Website Biographical Info School Operation Monday-Friday: 7:15AM – 3:15PM Or by appointment Categories: Schools Updated 2 years ago.