Let's look at some data. Estonia ranks extremely high in math, science, and reading tests given to 15 year olds as shown by the international PISA tests. [1] In fact only a handful of Asian countries rank higher. The results are basically the same as the highest ranking state in the US - Massachusetts.
> huge corruption
Estonia ranks #14 in the Corruption Perceptions Index, which is really good. [2] Also, having lived in Estonia most of my life I have never encountered a situation that involves a bribe, whether explicit or implied.
> most young people left for greener pastures
Young people want to see the world. I personally spent years living in other countries, and a lot of my friends as well. However most of us ended up returning in our 30s. Turns out Estonia is pretty great.
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[1] https://en.wikipedia.org/wiki/Programme_for_International_St...
[2] https://en.wikipedia.org/wiki/Corruption_Perceptions_Index#2...