High Schools in Winona County, Minnesota There are 6 High Schools in Winona County, Minnesota http://schooltree.org/ Fri, 27 Nov 2009 18:15:14 +0700 FeedCreator 1.7.2 http://schooltree.org/images/schoollogo.gif SchoolTree.org logo http://schooltree.org/ Information provided by SchoolTree.org. Click to visit. http://minnesota.schooltree.org/high/Winona-County-Schools.xml Cotter School http://minnesota.schooltree.org/private/Cotter-015670.html 7th Grade to 12th Grade :: 493 Students :: Roman Catholic Private School SchoolTree.org Cotter High School http://minnesota.schooltree.org/private/Cotter-High-010753.html 7th Grade to 12th Grade :: 502 Students :: Roman Catholic Private School SchoolTree.org Lewiston-Altura Secondary School http://minnesota.schooltree.org/public/Lewiston-Altura-Secondary-046688.html 7th Grade to 12th Grade :: 383 Students :: Lewiston SchoolTree.org Riverway Secondary School http://minnesota.schooltree.org/charter/Riverway-Secondary-045882.html 7th Grade to 12th Grade :: 30 Students :: Riverway Learning Community Chtr SchoolTree.org St. Charles Secondary School http://minnesota.schooltree.org/public/St-Charles-Secondary-047430.html 7th Grade to 12th Grade :: 532 Students :: St. Charles SchoolTree.org Winona Senior School http://minnesota.schooltree.org/public/Winona-Senior-047809.html 9th Grade to 12th Grade :: 1415 Students :: Winona SchoolTree.org