The document presents the rankings of the top 20 education systems in the world according to the World Top 20 Education Poll. The poll ranks countries based on their performance across 5 levels of education: early childhood enrollment, elementary test scores, middle school test scores, high school graduation rates, and college graduation rates. South Korea ranked #1 overall based on being #2 in elementary levels, #2 in middle school, and #6 in high school graduation rates. The top 5 countries were South Korea, Japan, Russia, Hong Kong, and China.