It occupies a site to the west of the Abbey , which includes the 14th century Abbey Gateway . The school was founded in AD 948 and is the only school in the English-speaking world to have educated a Pope . St Albans School , a public school which occupies a site to the west of the Abbey and which includes the 14th century Abbey Gateway , was founded in AD 948 and is the only school in the English-speaking world to have educated a Pope ( Adrian IV ) .