The school has seen expansion since the year 2000 including the following buildings: The fourth house was also added during this time, and additional sports fields were purchased.

A major portion of alumni play for teams in or compete as individuals in rugby, cricket, football, badminton, rowing, athletics and/or golf at university, local or workplace clubs.

A broad extra-curricular programme runs and ambitious, frequent overseas trips: academic, charity project based or sporting.

[1][2] In early years the curriculum is broad with pupils exposed to a wide range of subjects to help them acquire a sound foundation of basic skills.

Competitions and performances are led by staff and sixth form pupils annually in junior and senior virtual investment trading, theatre and music.

VADUM SANCTUM inscribed on the open book (for Education) is the Latin for "Holy Ford", and picks up the tradition that Julius Caesar crossed the Thames by way of an ancient ford hereabouts, and that in later Christian times a holy man or hermit lived at the end of Manygate Lane, close by the ancient crossing point.

It represents the School's aim to guide its pupils through the uncertain and turbulent waters of adolescence to the steadier ground of young manhood.

Notable Old Hallifordians include actor Mark Lester; Olympic Gold medalist Stephen/Steve Trapmore (rowing); Olympians Toby Penty (badminton) and James Woodgate (archery); Paralympic rower Oliver Stanhope; rugby player Rhodri Williams and Horticulturalist Colin Squire OBE.