I usually save Korean fashion magazines for when I'm getting my hair done, but I do occasionally pick up Vogue Girl for their features on Korean fashion. I particularly like a section called "Fashion Blender" which I suspect is an advertorial (basically advertisements for various Korean "shopping malls"), that offers a nice glimpse of the trends in Korean fashion for young women.
I like the styling in Korean "shopping malls", i.e., online boutiques. They look like someone's fashion blog. I find photos very appealing. Here are a few online stores that have caught my attention:
http://www.c-chouette.co.kr/
http://www.love-k.co.kr/

http://pastar.co.kr/
http://www.pinkmelody.com/

Speaking of fashion, I'm sure you want to know what's hot right now.
photo source for tulle skirt, photo source for everything else
Ribbon Headbands (Very Gossip Girl)

Headbands with Feathers and Other Bedazzled Goodies

Ballet Flats

Ballet Flats with Large Floral Ornaments

Fake Pearls

Tulle Skirts

Okay, you got me. These aren't the hottest trends per se; just the trend items that I like (In fact, I have that exact skirt in the polaroid above, only I paid more in Dongdaemun. Aish!). My personal tastes aside, the ballet girl/ princess look seems to be a big trend for the spring. The Alexander Wang look (black-gray-white color scheme, black leggings, blazers, leather accessories, and sky-high heels) also seems to be another prominent trend, though not my cup of tea.
Oh, look at me advising people on fashion. Hehehe.
Okay, now back to educating young minds...