The elephant in the rooms is that technology should be making K-12 LESS expensive and more productive, like it has for every other economic sector.  

Instead of embracing the coming technological change, the education industry is continuously demanding more money to reinforce the 1840's Horace Mann model-- roughly equivalent to an educational "Maginot Line".  Meanwhile, new technologies like distance learning, blended learning and mastery-based learning models are preparing to roll through the Benelux with little or no resistance.