- Welcome to North Winneshiek Community School 3495 North Winn Road Decorah, IA 52101 phone: 563-735-5411 fax: 563-735-5411 The North Winneshiek Community School District is dedicated to providing an environment committed to excellence where all students will be challenged to reach their full potential. Direct comments and questions to the Webmaster. Home | Elementary School | Middle School | High ...www.aea1.k12.ia.us/n-winn/nwhome.html