Indonesia is an archipelago country consisting of more than 17,500 islands with land area of 1,910,932 km2 and maritime area of 7,900,000 km2 and located between the Asian and Australian continents. With a population of 261.1 million in 2016, it is the fourth most populous country in the world. Across the islands, Indonesia has more than 300 distinct native ethnicities and 742 different languages and dialects. The income per capita in 2016 was US $3,974.10 (https://tradingeconomics.com/indonesia/gdp-per-capita). Indonesia’s education system can be categorized as the fourth-largest education system in the world.