The main difference was the addition of a lower wing.
The middle school also had the addition of a new wing.
The museum was expanded following the addition of a new wing and floor.
Between 1757 and the early 1770s modifications were made to the house, the main one being the addition of a north wing.
In 1953-54 the school expanded with the addition of a new south wing.
In 1720 the palace was rebuilt with an addition of a second northern wing.
An addition of a west wing to the Rush building.
An addition of a new wing to the Academic building.
An addition of a wing to the south of the original building occurred in 1953-1954.
The building was modified in 1915 with the addition of a western wing (which now houses the Principal's office on the first floor).