U.S. National Chemistry Olympiad

Chemistry Olympiad

The U.S. National Chemistry Olympiad is a multi-tiered chemistry competition. The top four students of the national competition represent the United States in the annual International Chemistry Olympiad.

USA Team wins three gold and one silver medals at the 51st International Chemistry Olympiad

Final four Chemistry Olympiad travel team

U.S. National Chemistry Olympiad program proudly announces the great performance of the Alpha Mu Team at the 51th International Chemistry Olympiad competition, which concluded July 30, 2019, in Paris, France.

Yajvan Ravan from Churchill High School, MI, Anton Ni of University High School, CA, and Edward Jin from Arnold O. Beckman High School, CA, earned gold medals placing 19th, 28th and 30th respectively. Albert Liu from North Hollywood High School, CA, won silver medal placing 59th.

Over 300 students from 80 countries competed at this year’s International Chemistry Olympiad in Paris, France.

Congratulations Team USA for this great achievement!

Read more about this year's competition and Team USA's experience in Chemical and Engineering News

How to Participate in the U.S. National Chemistry Olympiad

The U.S. 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. 


Local Chemistry Olympiad Competition

The local competition is open to all high school students. ACS Local Sections choose nominees for the national exam. Students can review past Local Exams to study for their local competition.


National Chemistry Olympiad Exam

The national exam involves three parts administered to more than 1,000 students. Students can use past National Exams to prepare. The 20 top-scoring students are chosen to attend a study camp where students are selected for the International competition.


Study Camp

The 20 top scoring students from the National Exam spend two weeks at a study camp to undergo rigorous training. Based on their performance, four students are chosen to represent the U.S. at the International Chemistry Olympiad.


  • Students must be U.S. citizens or legal, permanent residents of the United States (green card holders) to take the U.S. national examination.
  • High school students who will graduate no earlier than Spring of the year that they participate in the competition are eligible.
  • Students must be under the 20 years of age on the first of July of the year of the competition.

    See Rules and Eligibility

March 1-31, 2019 Local Competition

April 23-29, 2019 National Exam

June 2-13, 2019 Study Camp, University of Maryland, College Park

July 21-30, 2019 51st International Chemistry Olympiad Paris, France