Considering the domain on which this was published we can safely presume that the author did his best NOT to mention any possible social/emotional side-effects.

Considering the domain on which this was published we can safely presume that the author did his best NOT to mention any possible social/emotional side-effects. How well socialized are the kids from those two groups? How happy are they? How many emotional/sexual relationships did they have and how satisfied with their sexual life have they been? How many of them are suicidal (huge problem in South Korea)? And just for the fun, what's the ratio between hetero and gay people before and after the school? :)