African Biology Olympiad — Senior Category (2026)

The African Biology Olympiad (ABO) Senior Category is a continental academic competition in biology for senior secondary-school candidates. The 2026 edition includes an online multiple-choice examination that participants must take using a candidate ID and access code. The exam requires candidates to enter their full name, school name, and registration number before starting and to complete the timed test without refreshing the page. The exam is administered online by the ABO Exam Team.

Candidates registered in the ABO 2026 Senior category; candidates must provide full name, school name, candidate ID/registration number and access code to begin the exam.