International Olympiad of Astronomy and Astrophysics (IOAA) is an annual event for highly performed high school students from all around the world in the field of Astronomy and Astrophysics. Established in Thailand 2006, it was initiated by five countries including Thailand, Indonesia, Iran, China and Poland with the aim to proliferate Astronomy among high school students, to foster friendship among young astronomers at international level so as to build cooperation in the field of Astronomy in the future among the young scholars.
Some of the countries, which have ever hosted IOAA, are Thailand in 2007, Indonesia in 2008, Iran in 2009, China in 2010, Poland in 2011, Brazil in 2012, Greece in 2013, and Romania in 2014. Central Java, Indonesia will be hosting the IOAA 2015. The number of participating countries has significantly increased since its initiation; from 20 countries at its outset to 37 countries with 41 teams in 2014.
The first president of IOAA is Prof. Boonrucksar Soonthornthum and Dr. Chatief Kunjaya from Indonesia as Secretary General. The election for the President and Secretary General is regularly conducted in 5 years term. After the election in Poland 2011, Dr. Chatief Kunjaya of Indonesia is currently enacting as President of the organization and Dr. Gregorz Stachowski from Poland as the Secretary General for 2012 – 2016.
The stages in the competition comprise of four rounds of theory test, observation, data management and team competition. The awardingof medals will be decided upon the scoring on theory test, observation and data management, while team competition will determine the awardee of the best team of IOAA.