An addition was added to the house in the 1860s.
They later added an addition onto the home in 1828.
A small addition was added to the middle section of the school in the 1970s or 1980s.
A new addition to the plant was added in 1990.
In 1919, an addition was added on to the west end of the original building.
This continued until 2005 when the addition for the high school was added on.
A similar addition was added at ground level along the eastern side of the building.
After the building's construction, an addition was added in 1956.
An addition was added in 1998 to increase the physical capacity to 1600 students.
An addition was recently added to the high school, which provided much needed classroom and meeting space.