School District of Omro - Omro Schools http://cms1.cms4schools.com/news_rss.cfm?detailid=433992&memberid=749 School District of Omro - Omro Schools en-us 2017-18 School Year Calendar (click to open) http://www.omro.k12.wi.us/cms_files/resources/OSDCalendar2017-2018.pdf