Chemistry high school exams

Chemistry high school students and teachers, this is an opportunity to test your chemistry skills and knowledge with other students and high schools across Canada and worldwide.

The Chem 13 News and Avogadro Exams are challenging online exams written by more than 6,000 Grade 11 and 12 Chemistry high school students every May, and consist of 40 multiple-choice questions, written in a 75-minute exam period.

High school chemistry exams are only available for purchase by a teacher at an accredited high school – tutoring schools are not eligible.

All participants are eligible for a certificate from the University of Waterloo. Top performing students from North America and their schools, receive a limited-edition plaque featuring an element from our Periodic Table Project or a Timeline of Elements poster.

Chem 13 News Exam

The Chem 13 News Exam is designed for Grade 12 high school chemistry students in their second high school chemistry course. Topics include: organic chemistry, equilibria, kinetics, oxidation-reduction, bonding, structure, reactions, solutions, and gases.

Exam date: Thursday, May 9, 2024

Ordering deadline: Friday, April 26, 2024

Avogadro Exam

The Avogadro Exam is designed for Grade 11 high school students in their first high school chemistry course. Topics include: structure of matter, bonding, reactions, solutions, and gases. The test includes a few probing and demanding questions on some of the main topics of high school chemistry.

Exam date: Thursday, May 16, 2024

Ordering deadline: Friday, May 3, 2024

Exam results

Chem 13 News and Avogadro Exam results are available to teachers online. Teachers can see how their own students performed on the exam overall, as well as on each question relative to all students who have written the exam. We also publish a summary of exam results from our most recent exams, as well as information about exam awards for the top-performing students.

Please note: Exam results are not used as a criterion for admission to university studies. We do not show or give results to any admissions committee.


If you have any questions, please email Barbara Levai-Sharpe (