school district; school attendance zone
Kansai dialect equivalent of standard Japanese 学区. Refers to the designated area from which a school draws its students.
See also: 学区
The elementary school in this school district seems to have a good reputation.
Since the school district changed, I'll be attending a different junior high school from next year.
junior high school district
elementary school district; primary school attendance zone
Compound of 校 (school) and 区 (district, ward). The reading こうく follows standard on'yomi.