With my limited Japanese, the closest thing I could find to a school had the name '初生雛鑑別師養成所' mentioned in an article https://www.tsuushinsei.net/shikaku-hiroba

With my limited Japanese, the closest thing I could find to a school had the name '初生雛鑑別師養成所' mentioned in an article https://www.tsuushinsei.net/shikaku-hiroba/animal/24917 https://www.tsuushinsei.net/shikaku-hiroba/animal/24917