High Schools in Sierra County, California There are 5 High Schools in Sierra County, California http://schooltree.org/ Thu, 04 Dec 2008 12:13:01 +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://california.schooltree.org/high/Sierra-County-Schools.xml Downieville Junior-Senior High School http://california.schooltree.org/public/Downieville-Junior-Senior-High-013059.html 7th Grade to 12th Grade :: 53 Students :: Sierra-Plumas Joint Unified SchoolTree.org Loyalton High School http://california.schooltree.org/public/Loyalton-High-013061.html 9th Grade to 12th Grade :: 173 Students :: Sierra-Plumas Joint Unified SchoolTree.org Pliocene Ridge Junior-Senior H School http://california.schooltree.org/public/Pliocene-Ridge-Junior-Senior-H-013057.html 7th Grade to 12th Grade :: 49 Students :: Sierra-Plumas Joint Unified SchoolTree.org Sierra Community Day-West School http://california.schooltree.org/public/Sierra-Community-Day-West-013066.html 7th Grade to 12th Grade :: 3 Students :: Sierra-Plumas Joint Unified SchoolTree.org Sierra Pass (Continuation) School http://california.schooltree.org/public/Sierra-Pass-Continuation-013064.html 9th Grade to 12th Grade :: 8 Students :: Sierra-Plumas Joint Unified SchoolTree.org