McLean, VA 15 15 14,460 White Hat Management Akron, OH 38 2 3,508 Connections Academy Baltimore, MD 10 10 1,081 Pinnacle Education Tempe, AZ 9 1 212 Sequoia Charter Schools Mesa, AZ 11 1 160 Designs for Learning St. Paul, MN 10 1 50 Note: Schools ranked by students in 2004—05 school-year. Source: Harris Nesbitt based on