Students and alumnus celebrated a Uniondale school's 90th birthday today.

Northern Parkway Elementary School was built 90 years ago in 1923.

Thousands of students have walked the halls since the school opened.

In 1923, it cost only $150,000 to build the school.

For extended interviews on the school, watch the clip to the left or click News 12 Extra on Optimum TV channel 612.