62 independent boarding schools in the South West region, verified from the UK Government Get Information About Schools (GIAS) register.
Wiltshire, Dorset and Somerset form the second densest boarding belt. Schools tend to be on larger campuses (more land, more sport) with strong pastoral traditions. Gloucestershire and Bristol sit on the northern edge with city-proximate options.
Quick comparison of the leading boarding schools in South West. Open any school page for the full academic and pastoral breakdown.
Sibling regions worth comparing — many families consider two or three regions before committing, especially when travel from London or an international airport is a deciding factor.