{"code":"C108222100086","school_type":"C1","prefecture_number":"08","establishment_category":2,"main_branch_indicator":1,"name":"ひたちなか市立大島中学校","location":"茨城県ひたちなか市東大島４－６－１","postal_code":"3120042","attribute_info_setup_date":"2020-12-22","attribute_info_cancellation_date":null,"old_school_survey_number":"083755","post_transition_school_code":null,"created_at":"2026-04-27T18:29:14.289+09:00","updated_at":"2026-04-27T18:29:14.289+09:00","url":"https://school.teraren.com/schools/C108222100086.json"}