Problems written by the American Chemical Society - one of the World's leading science communities
16000+ Students are taking the same paper each year
Beneficial for applying to top science universities
Outstanding students will have the chance to attend top science programs
The US National Chemistry Olympiad (USNCO) program is a chemistry competition for high school students. The purpose of the competition is to stimulate young people to achieve excellence in chemistry.
The American Chemical Society has sponsored the program since 1984. The US National Chemistry Competition is a multi-tiered chemistry competition. The top four American students of the national competition represent the United States in the annual International Chemistry Olympiad.
American Chemical Society has authorized ASDAN China (ASDAN Academy) to use the same paper of USNCO of the same year so that Chinese students can compete on the same challenges to test their Chemistry learning. Chinese nationalities won’t able to continue for the selection of US National Team.
* US passport or Green Card holders are eligible to proceed to US national team selection. If you hope to have this chance, please make sure that you choose the Shanghai ACS US students Exam Center before January 8th 2020.
Individual written test (no experiments)
60 multiple-choice questions
Exam Centers across China (check and choose exam center after registration)
- Gold: Top 10%
- Silver: Top 20%
- Bronze: Top 35%
- Regional Honorable award: Regional top 15%
Note: American students ranked within the region. No global ranking available.
Past 20 years Problems and solutions available
Includes exam, grading, post and certificate fee and past papers fee
High school students
23rd March, 2020
The students can bring a printed version dictionary.