High Schools in Williamson County, Illinois There are 7 High Schools in Williamson County, Illinois http://schooltree.org/ Thu, 26 Nov 2009 08:36:34 +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://illinois.schooltree.org/high/Williamson-County-Schools.xml Carterville High School http://illinois.schooltree.org/public/Carterville-High-025504.html 9th Grade to 12th Grade :: 483 Students :: Carterville C U School District 5 SchoolTree.org Chittyville Alternative Center http://illinois.schooltree.org/public/Chittyville-Alternative-Center-024799.html 8th Grade to 12th Grade :: 32 Students :: Williamson County Special Education District SchoolTree.org Crab Orchard High School http://illinois.schooltree.org/public/Crab-Orchard-High-026312.html 9th Grade to 12th Grade :: 107 Students :: Crab Orchard C U School District 3 SchoolTree.org Herrin High School http://illinois.schooltree.org/public/Herrin-High-027029.html 9th Grade to 12th Grade :: 681 Students :: Herrin C U School District 4 SchoolTree.org Johnston City High School http://illinois.schooltree.org/public/Johnston-City-High-027168.html 9th Grade to 12th Grade :: 370 Students :: Johnston City C U School District 1 SchoolTree.org Marion High School http://illinois.schooltree.org/public/Marion-High-027465.html 9th Grade to 12th Grade :: 1194 Students :: Marion Community Unit School District 2 SchoolTree.org Project Echo School http://illinois.schooltree.org/public/Project-Echo-024895.html 7th Grade to 12th Grade :: 81 Students :: Franklin/Williamson Roe SchoolTree.org