USNCO Participants
All high school students in the U.S. are eligible to participate in local competitions. High school students who are U.S. Citizens and Green Card holders are eligible for nomination to sit for the National Exam. View a full list of eligibility criteria and watch this webinar to learn why you should participate too! Find your coordinator today.

Team USA Wins 1 Gold and 3 Silver Medals at 54th IChO Hosted Virtually by China
We are thrilled to announce that all four members of Team USA earned medals (3 silver and 1 gold) at 54th International Chemistry Olympiad hosted virtually by China. We are immensely proud of the team. Team USA students were among 326 students from 83 countries that participated in 2022 IChO.
The medalists are:
- Jack Liu, Carmel High School, IN, Indiana Local Section, silver medal
- Nathan Yihe Ouyang, University High School, CA, Orange County Local Section, gold medal
- Gideon Tzafriri, Lexington High School, MA, Northeastern Local Section, silver medal
- Phoenix Wu, Seven Lakes High School, TX, Greater Houston Local Section, silver medal
Congratulations to the Team USA!
