Chetek-Weyerhaeuser Area School District - Immunization Requirements https://www.cms4schools.com/news_rss.cfm?detailid=900822&memberid=1156 Chetek-Weyerhaeuser Area School District - Immunization Requirements en-us Student Immunization Law Age/Grade Requirements http://dhfs.wisconsin.gov/immunization/pdf/PPH402107-06.pdf Public Health Office Hours //www.cwasd.k12.wi.us/cms_files/resources/newsfile3953_1.doc