The six houses in the school were named after honours granted to members of the St John family. A colour was associated with each house, and students were required to wear a cap with the school badge on the front and a small button in the colour of their house on the crown. The colours were also used in sportswear, shirts for
soccer and a sash for
Fives and
boxing. Both were used in other sports. • Beauchamp (Pronounced "Beecham") had blue as its colour.
Oliver St John was also
Baron Beauchamp. • Bletsoe used Brown. Bletsoe Manor was also owned by the St John's family. • Bolingbroke was the red house.
Henry St John was made the first Viscount Bolingbroke in 1712. • Grandison had yellow as its identifier. Commemorating
Oliver St John, 1st Viscount Grandison • Lydiard used the violet colour. Oliver St John was also created Baron St John of
Lydiard Tregoze • Tregoze had the green for its use. See above in Lydiard Prior to Sir Walter St John's Boys Grammar School being amalgamated with William Blake School, there were only three houses in the School, the names were as stated above but were actually together: Grandison Bletsoe (GB), Beauchamp Bolingbroke (BB) and Lydiard Tregoze (LT). ==Post-war==