The only high school in Lorton is South County Secondary School. It currently houses grades 7-12. In September 2012 a middle school for grades 7-8 will open and an overcrowded high school will be able to function with a more feasible population.
Here's a look at ONE measurement of school success--SAT scores. http://lorton.patch.com/articles/south-county-sat-scores-outpace-state-nation
Editor, Lorton Patch