When students walk through the doors to their school Aug. 1, some will meet new principals. But the principals know Bulloch County Schools well. Four current Bulloch County school principals will be at different schools: - Dr. Shawn Haralson, from Portal Middle High to Langston Chapel Elementary; - Dr. Karen Doty, from Langston Chapel Elementary to Portal Middle High;- Julie Blackmar, from Nevils Elementary to Julia P. Bryant Elementary; and- Nate Pennington, from Julia P. to Nevils.