For students from other EU countries, that would probably constitute illegal discrimination. For other students, they probably don't care. Or it's actually seen

For students from other EU countries, that would probably constitute illegal discrimination. For other students, they probably don't care. Or it's actually seen as an investment in the future as these students often stick around, meaning you get a well-educated young citizen and didn't even have to pay for the first 12 years of her education.