A team could consist of two team leader and up to 3 students from junior (Alpha) group and up to 2 students from Senior (Beta) group. Observers are also welcome.
Diploma winners of previous IAO may be included to the group Beta of the team (personal invitation) over and above quota, provided that they meet the age limits.
Out of two team leaders, one team leader is obliged to serve in International Jury Board.
There are two groups of contestants take part in the competition. The junior group is called Alpha group and the senior group is called Beta group.
|Number of IAO events of participated||Birth Year|
|1999 and earlier||2000||2001||2002||2003||2004||2005|
|2 and more|
|Participation permitted in both alpha and beta groups||Participation permitted in beta groups|
|Participation not permitted||Impossible situation|