British Economics Olympiad:
Best practices
Don't be shy about asking your colleagues for help. Don't make it so that one person runs the whole competition: make it a team effort.
Don't try to reinvent the wheel by doing things from scratch, all on your own, all over again. It's very difficult. Study the IEO structure, get in touch with an established team leader and learn from them.
IEO National Coordinator for Japan on the best practices of Japanese Financial Literacy Tournament