 In 1948, headmaster Bob Wadsworth retired but the festival continued and by 1952 was attracting a combined audience (across the two performances) of ten to twelve thousand people.Moot Hall's museum holds a substantial collection of photographs, from the 1920s onward, and these can be viewed on request or on-line in the Elstow Picture Archive (see 'External Links', below).In 1968, Bedfordshire changed from the Primary/Secondary system to Lower/Middle and Upper schools and Elstow Primary School lost its three top years.