It is being called a "century of building excellence."
The school's superintendent says the district has had to make cuts. The referendum for renovations passed four years ago.
"We would anticipate that the renovation that just took place over the last three or four years will take us to the year 2040, 2050, and hopefully," said David Bonnette, Interim School Superintendent.
The 80,000-square-foot addition includes a new school atrium, classrooms and science labs, among other scholastic and athletic facilities.
Approximately 1,500 students attend the school.