River Valley School District - Immunizations http://cms1.cms4schools.com/news_rss.cfm?detailid=472116&memberid=774 River Valley School District - Immunizations en-us Student Immunization Record http://www.rvschools.org/cms_files/resources/201704200932.pdf Student Immunization Law http://www.rvschools.org/cms_files/resources/studentimmunizationlaw.pdf