15th ATENEO CHEMISTRY OLYMPIAD 2026

The Ateneo Chemistry Society (ACheS) invites all Grade 9–12 learners from public and private high schools to its 15th Ateneo Chemistry Olympiad (AChO), to be held online on February 28, 2026, and onsite on March 7, 2026. 

With the theme, Persisting Beyond Half-Lives, the event aims to offer a platform to test and expand the participants’ knowledge and skills in Chemistry, while also gaining insights into the current state of the field in the Philippines. 

The 15th AChO will be comprised of four major components: 

1. Individual Written Exam Elimination Round 

2. Team Laboratory Exam Semi-Finals Round 

3. Final Quiz Bee Round 

4. Geographical Indication Proposal Defense 

Interested participants may submit inquiries or request assistance regarding registration, event guidelines, or other concerns through the link: https://forms.gle/j99WyUCvqaNHJ6ye9. 

Participation of learners and teachers from public and private schools shall be purely voluntary and will not hamper instructional time in compliance with the provisions of DepEd Order (DO) No. 012, s. 2025, titled Multi-Year Implementing Guidelines on the School Calendar and Activities and DO 9, s. 2005 titled Instituting Measures to Increase Engaged Time-on-Task and Ensuring Compliance Therewith and the policy on off-campus activities stated in DO 66, s. 2017. 

This is also subject to the no-collection policy as stated in Section 3 of Republic Act No. 5546 also known as An Act Prohibiting the Sale of Tickets and/or the Collection of Contributions for Whatever Project or Purpose from Students and Teachers of Public and Private Schools, Colleges and Universities (Ganzon Law), issued in DO 19, s. 2008, and reiterated in DepEd Memorandum No. 041, s. 2024. 

For more information, please contact: Mr. Darren Franco D. Antonio Project Head Mobile Phone Number: 0949-762-1117 Email Address: darren.antonio@student.ateneo.edu Facebook Page: facebook.com/AteneoChemistryOlympiad