Teams: 837 (teams of 7)
U.S. State Associations: 33
Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Kansas, Kentucky, Massachusetts, Maryland, Washington DC, Maine, Michigan, Missouri, North Carolina, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Washington, Wisconsin, West Virginia.
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International teams: 13 Int’l Countries
Canada, China, Germany, Hong Kong, India , Japan, Mexico, Poland, Qatar, Russia, Singapore, South Korea, Switzerland.
Opening Ceremonies: 13-16, 000 in attendance
Awards Ceremony: 15-18,000
Winners: 19 (1st place in each age group for each of the five problems.)
Invited to attend: State/Country Tournament 1st, 2nd, & Ranatra Fusca winners
Next year: Michigan State University May 22-25, 2019