Euro-zone schools like SDA Bocconi and ESMT look like great value for money: http://fortune.com/2015/05/27/mba-degree-tuition-europe-dollar/

... for American students! Doesn't mean much for those from other countries.

That's not really the case, because the euro has fallen against many currencies. The Yuan, for example, is worth around a quarter more than it was last year.