Sheboygan Area School District - Sheboygan Area School District Calendar http://cms1.cms4schools.com/news_rss.cfm?detailid=402110&memberid=750 Sheboygan Area School District - Sheboygan Area School District Calendar en-us 2017-18 Calendar http://www.sheboygan.k12.wi.us/cms_files/resources/districtcalendar2017-2018.pdf 2018-19 Calendar http://www.sheboygan.k12.wi.us/cms_files/resources/districtcalendar2018-2019.pdf