You can also read this piece at InternationalEdNews.com

For many, the most surprising thing about the Estonian education system is that it is, in fact, high performing (using the conventional criteria of international tests like PISA).  Even with some press in the Hechinger Report, Estonia’s educational performance has garnered much less attention than other high performers like Finland and Singapore. Nonetheless, Estonia has performed at a consistently high level on the PISA tests since 2006.  In 2015, Estonia was ranked in the top ten nations in both math and reading on PISA, and in science, it was ranked third in the world behind Singapore and Japan.

Perhaps most impressive, Estonia has among the most equitable outcomes of all the countries participating in PISA. Although the Estonian population is largely homogeneous, there are distinct groups of lower-performing Russian language schools, as well as considerable differences in the size and performance…