WASHINGTON--(BUSINESS WIRE)--Three students from Hilliard, Ohio and Albuquerque, N.M. were awarded top prizes at the 15th annual Siemens Competition in Math, Science & Technology, the nation’s premier research competition for high school students. The students join a highly selective group of just 14 individual competitors and 14 teams previously named winners of the Siemens Competition. Peter Tian, a senior at The Wellington School in Columbus, Ohio, won the $100,000 Grand Prize in the ind