The buildings vacated in Derby road were then occupied by the Central Primary School .
In 1950 , the central school became a new grammar school on the northwest side of Aldenham Road , Bushey , called Bushey Grammar School .
The buildings vacated in Derby road were then occupied by the Central Primary School .
In 1950 , the central school became a new grammar school on the northwest side of Aldenham Road , Bushey , called Bushey Grammar School .