In 1911 Chambers founded and was principal of the Bible Training College in Clapham Common, Greater London, in an "embarrassingly elegant" property that had been purchased by the Pentecostal League of Prayer.
I 1911 stiftede Chambers, og blev forstander for, Bible Training College i Clapham Common, Ydre London, på en "pinligt elegant" grund, der var blevet købt af Pentecostal League of Prayer.