{"code":"B108220500051","school_type":"B1","prefecture_number":"08","establishment_category":2,"main_branch_indicator":9,"name":"石岡市立関川小学校","location":"茨城県石岡市石川１１５３","postal_code":"3150046","attribute_info_setup_date":"2020-12-22","attribute_info_cancellation_date":"2024-05-01","old_school_survey_number":"080146","post_transition_school_code":"B108220500088","created_at":"2026-04-25T09:08:12.318+09:00","updated_at":"2026-04-25T09:08:12.318+09:00","url":"https://school.teraren.com/schools/B108220500051.json"}