Sorry, I do not have a exact number of schools in Liechtenstein, but I can tell you that they had the highest PISA scored of any European country! 
 Why did Liechtenstein join Germany? 
 They chose to stay neutral during WWII. 
 Thanks...and my last question about Education, anything, please? 
 wow! very interesting! Did Liechtenstein fight in ww2?
They chose to stay neutral during WWII.