High Schools in Marshall County, Minnesota There are 4 High Schools in Marshall County, Minnesota http://schooltree.org/ Mon, 15 Mar 2010 04:07:06 +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/Marshall-County-Schools.xml Central Secondary School http://minnesota.schooltree.org/public/Central-Secondary-047018.html 7th Grade to 12th Grade :: 183 Students :: Marshall County Central Schools SchoolTree.org Grygla Secondary School http://minnesota.schooltree.org/public/Grygla-Secondary-046745.html 7th Grade to 12th Grade :: 102 Students :: Grygla SchoolTree.org Stephen Senior School http://minnesota.schooltree.org/public/Stephen-Senior-045757.html 7th Grade to 12th Grade :: 219 Students :: Stephen-Argyle Central Schools SchoolTree.org Warren-Alvarado-Oslo Secondary School http://minnesota.schooltree.org/public/Warren-Alvarado-Oslo-Secondary-045393.html 7th Grade to 12th Grade :: 312 Students :: Warren-Alvarado-Oslo SchoolTree.org