Mathematics | Biology | Chemistry | Computer Science | Astronomy & Astrophysics | Physics Competition International

IMO/IPhO/IChO/IOI/IBO/IOL/IOAA

Difficulty
5 5/5
Target Students High school students selected for their national IMO teams.
Event Time Every July
Registration Period requires national team selection

International Science Olympiad System (IMO / IPhO / IChO / IOI / IBO / IOL / IOAA) represents the highest level of global high school academic competitions, where national teams compete to identify the most advanced students in each subject worldwide.

Academic Value
These competitions represent the highest level of achievement in high school academics, equivalent to world national teams in each subject, requiring exceptional depth and long-term training.

Impact on College Applications
They are the most prestigious academic achievements globally (10/10 tier). Winning medals or reaching national team level in IMO, IPhO, IChO, or IOI provides decisive impact for admissions to top universities such as MIT, Stanford, Oxford, Cambridge, and Ivy League schools.