{"code":"D108222800014","school_type":"D1","prefecture_number":"08","establishment_category":2,"main_branch_indicator":9,"name":"茨城県立岩井高等学校","location":"茨城県坂東市岩井４３１９－１","postal_code":"3060631","attribute_info_setup_date":"2020-12-22","attribute_info_cancellation_date":"2022-05-01","old_school_survey_number":"085698","post_transition_school_code":"D108222800032","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/D108222800014.json"}