Rubuta ci gaba don wannan sakin layi - Horne ya shiga Makarantar Tattalin Arziki ta London a watan Oktoba 1925, inda masu koyar da shi suka hada da Hugh Dalton da Stephen Leacock; bai gamsu da lokacinsa a jami'ar ba kuma ya kira Leacock "ɗaya daga cikin malamai masu ban sha'awa da na taɓa haɗuwa". A lokacin yajin aikin gama gari
a cikin 1926 an nemi masu sa kai su shiga cikin Kungiyar Kula da Kayayyakin Kayayyaki don ɗaukar mahimman ayyuka; Horne ya shiga, kuma ya kwashe kwanaki biyu yana tuka motar bas ta London kafin a soke yajin aikin. Ta hanyar tasiri da karimci na kawun, Austin Pilkington na dangin Pilkington na gilashin gilashin St Helens, ya sami damar shiga Kwalejin Magdalene, Cambridge a watan Oktoba 1926. Ya sadaukar da kansa ga bangaren wasanni na rayuwa kuma ya wakilci kwalejin a wasan rugby, kuma a cikin tawagar relay tare da wanda ya lashe lambar zinare ta Olympics a nan gaba Lord Burghley. Ya kuma buga wasan tennis ga jami'a, abokin tarayya Bunny Austin. Ya shagala da ayyukansa na wasanni, ya yi watsi da karatunsa kuma aka tura shi a watan Disamba na 1927.