A four story addition using similar materials was added to the north of the original building during the 1960s.

It has an Italianate three story addition added in 1859.

The first phase was the construction of a new 15 classroom, 2 story addition to the existing school.

The two story addition on the southwest side was built in the 1920s.

In 1962, a three story addition was added to the northwestern section of the school.

A two story, square addition was added shortly after the original construction.

Construction of the second story addition began in September 1985.

During the years of 1973 and 1974, the library added a two story addition to the complex.

One story additions have been added to the rear from the 1970s on.

In the early 1900s a one story addition was made on the rear of the building.