This article reports on the development of US Standards for teaching Esperanto, and argues for Esperanto learning facilitating the learning of other foreign languages, fostering skills like basic sound-symbol correspondence literacy and lexical bootstrapping. The presentation includes extended tables of Esperanto linguistic features, and a detailed presentation of the Esperanto Standards and progress indicators, along with a useful description of classroom activities associated with each individual Standard.#Esperanto #Principalfocus #PolicyorAdministrative #All #JournalArticle #All5Cs #Outcomes