A Desert Vista High School student is making waves all around the world -- all from his Ahwatukee living room!
Simon Shen created a webpage called KOLA30.com. With 900,000 hits, it's become a useful tool for people around the world who are trying to learn English, from China to Saudi Arabia to Colombia.
It features podcasts, a word of the day, and a chat where volunteers correct your language skills. And the best part is it's 100 percent free.
Head to KOLA30.com for more information and to check it out for yourself.