News & Announcements (Mount Vernon High School) http://hs.mtvernon.k12.mo.us/apps/news/category/21219 News & Announcements en-us SchoolSitePro <![CDATA[2026-2027 School Year Information]]> http://hs.mtvernon.k12.mo.us/apps/news/article/2208347 http://hs.mtvernon.k12.mo.us/apps/news/article/2208347 Wed, 17 Jun 2026 07:54:00 -0500