Threemilestone School is a academy converter serving families in Truro and the wider Cornwall area. The school is well established within the local education landscape.

The school educates mixed pupils aged 5 to 11. It currently has 427 pupils on roll with space for 420, offering a broad curriculum across all primary year groups.

The most recent Ofsted inspection, published on 1 October 2024, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.