Teams: 837 (teams of 7)

Volunteers: 440

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