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Private Universities vs Public Universities in Poland [31]
not sure that would be necessarily the case for areas such as engineering and sciences
Actually, in the US for engineering we follow something called ABET accreditation. This is something American employers look for because colleges that offer ABET approved courses go over the very necessary skills engineers need. I could be wrong, but I don't think any Polish universities are ABET approved.
the material covered in PL or any other UE nation for that matter would very often be more specialised that in the US.
I'm assuming you're talking about the Bachelor's level. That entirely depends on the university when it comes to the US. For example, some undergraduate colleges will offer a very broad education in something like electrical engineering where students would cover the fundamentals of power, communication networks, nanotechnology, wireless transmission, electronics, etc. while at other schools students would be forced to concentrate on one of them.
Either way, it doesn't matter since nowadays engineering students are expected to go to graduate school. At the company I work at, we encourage our engineers to take graduate courses to gain expertise in a specialized area.
they are about 1/3 of their US price tag, and offer US recognised degrees...
You would still have to take specialized exams to be recognized as a medical doctor in the US. (From what I hear, it's a lengthy process too)