He told Entertainment Weekly: "I'm a compassionate person, but everyone who knows me well says that during competitions I turn into a villain. I also over-analyze everything."
The earnestly enthusiastic Clark is 46 and has operated the non-profit middle school the past decade with executive director Kim Bearden. He designed as an incubator for his teaching methods with more than 50,000 educators having visited his school since 2007. Oprah Winfrey is one of his biggest supporters.
The kids, as part of their learning, take trips all over the world. He connects with the kids with his rapping and double-dutch skills.
Rodney Ho writes about entertainment for The Atlanta Journal-Constitution including TV, radio, film, comedy and all things in between. A native New Yorker, he has covered education at The Virginian-Pilot, small business for The Wall Street Journal and a host of beats at the AJC over 20-plus years. He loves tennis, pop culture & seeing live events.