Ateneo Chemistry Olympiad

What is AChO?

AChO is a nationwide chemistry competition for high school students held annually. Aside from the quiz bee, electives and workshops are also held in line with the annual theme.

PROJECT HEADS: Arron Jacob Galenzoga and Mary Nichole Apiladas


  • To further the primary goal of progressive nation building
  • To strengthen the social awareness and responsibility of the organization

Ateneo Chemistry Olympiad 2022 Winners

Ateneo Chemistry Olympiad 2022: Tanglaw ng Kaisipan

Mentorship Program: Pagtanglaw

Question of the Week

AChO 2022 Merchandise

Minute Chemistry

Let’s learn Chemistry in 60 seconds!
Check out the videos below to figure out how to solve different problems under each section of Chemistry.

Review Problems

Here are some compiled review problems for AChO. Try solving it to help you prepare for the competition. Access more of this on the Official Facebook Page of Ateneo Chemistry Olympiad.

What We’ve Achieved

AChO 2021 Winners
AChO 2019 Winners

Contact Us

For partnerships and sponsorships, you can reach us on the Official Facebook page of Ateneo Chemistry Olympiad, or email us through:

For interested participants, visit the Official Facebook page of the Ateneo Chemistry Olympiad to learn more about the registration process, fee, and schedule.