Whether tall people are considered more attractive will almost certainly depend on local culture, and fashion, but I think I read about a study showing that in

Whether tall people are considered more attractive will almost certainly depend on local culture, and fashion, but I think I read about a study showing that in one particular European city taller women tended to marry someone from a higher social class. However you define "social class", you'll probably find higher social class is associated with higher intelligence, however you define "intelligence". There are loads of research papers on "height" and "social class", though perhaps they are mostly concerned with nutrition rather than genetics.