SHADOTEN is famous english school?
It seems that "SHADOTEN" does not appear to be a widely recognized or famous English school in Japan based on current information. There may be some smaller, lesser-known institutions or language centers with similar names, but "SHADOTEN" doesn't come up in major listings or rankings for popular English schools in Japan. If you're referring to a specific institution, it might be more localized or less publicized. If you need details on prominent English schools or services in Japan, feel free to ask!