{"code":"C108223400045","school_type":"C1","prefecture_number":"08","establishment_category":2,"main_branch_indicator":1,"name":"鉾田市立大洋中学校","location":"茨城県鉾田市大蔵１３３７－１","postal_code":"3112117","attribute_info_setup_date":"2020-12-22","attribute_info_cancellation_date":null,"old_school_survey_number":"084421","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/C108223400045.json"}