River Ridge School District - District Calendar https://www.cms4schools.com/news_rss.cfm?detailid=674297&memberid=941 River Ridge School District - District Calendar en-us 2019-2020 School Calendar PDF https://www.cms4schools.com//www.rrsd.k12.wi.us/cms_files/resources/2019-2020%20family%20calendar1.pdf