Due to popular demand:
Gwan Gyo Girl’s Middle School (관교여자중학교 if you want to be fancy :))
512-1 Gwangyo-dong, Nam-gu, Incheon Metropolitan City
Addresses written in English work just fine, so no worries on that end.
I’ll probably post again about how Koreans view the situation, now that I’ve had conversations out the wazoo about it. Class time!