Schools in Unknown County, Washington D.C. There are 4 Schools in Unknown County, Washington D.C. http://schooltree.org/ Sat, 11 Oct 2008 05:18:57 +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://washington-dc.schooltree.org/Unknown-County-Schools.xml New Vistas Preparatory Pcs School http://washington-dc.schooltree.org/public/New-Vistas-Preparatory-Pcs-017556.html N/A :: No Enrollment Data :: New Vistas Preparatory Pcs Agency SchoolTree.org Richard Milburn Public Charter School http://washington-dc.schooltree.org/public/Richard-Milburn-Public-Charter-017559.html N/A :: No Enrollment Data :: Richard Milburn Public Charter School Agency SchoolTree.org Techworld Public Charter School http://washington-dc.schooltree.org/public/Techworld-Public-Charter-017564.html N/A :: No Enrollment Data :: Techworld Public Charter School Agency SchoolTree.org World Public Charter School of Washington http://washington-dc.schooltree.org/public/World-Public-Charter-School-of-Washington-017567.html N/A :: No Enrollment Data :: World Public Charter School of Washington Agency SchoolTree.org