Exclusion resides deep in the bones of education. Like any metastases, sites of origin are not always obvious. This makes detection and treatment difficult. Without wanting to belabour or render gratuitous, the cancer metaphor, though a cancer it is, we know that exclusion, as a social phenomenon, is a stubborn foe. After all, antiquity and ubiquity are the agents of its resilience. 1 And, it seems that our interventions to dismantle it or minimise its effects at best seem to have minimal impact and, at worst, strengthen and sustain it.