XXIX  International  Astronomy  Olympiad

Groups  of  contestants

Number of previous participations in IAO/IRAO	Y   e   a   r       o   f       b   i   r   t   h
	2005 and earlier	2006	2007	2008	2009	2010	2011	2012 and later
Never		g	b	b	b	a	a
1		g	g	b	b	b
2 and more		g	g	g	b
The Olympiad participants should be school students. They are not supposed to study at any institutions of higher education. Students who finished their school examination before the Olympiad cannot be members of a team even if they did not start university studies.
Note:	Group g is temporal and organizing for Olympiads 2021-2025 only.

	Participation permitted in group a or group b
	Participation permitted in b group only
	Participation permitted in g group only
	Participation not permitted
	Impossible situation

The quotas for teams for IAO/IRAO 2024-2025 are: Not more than 6 students in total, including: Not more than 4 students for Group a, Not more than 3 students for Group b, Not more than 2 students for Group g. The recommendation is  3(a) + 2(b) + 1(g). Students awarded with I or II Diploma at the last IAO or IRAO (in which they participated) may be included in the team in excess of the above quotas.

• Teams at the Olympiad

• Guideline for new participating countries

• The International Astronomy Olympiad (IAO) Web-site

Dr. Michael G. Gavrilov, Founding Chairman of the International Astronomy Olympiad,
ISSP of Russ. Acad. Sci., Academician Ossipyan street 2, 142432 Chernogolovka, Moscow region, Russia.

URL: http://www.issp.ac.ru/iao/2025/
e-mail: gavrilov@issp.ac.ru
fax: + 7-(496-52)-28-160