By Ray M. Wong

December 8, 2010 (Lakeside)--The school doesn’t look that impressive: A waist-high, chain-link fence separates a gravel parking lot from the school, a cluster of portable structures But appearances can be deceiving. River Valley Charter, a small public school in Lakeside serving 7th to 12th graders, has been the highest rated high school in San Diego County for seven years running.