From the record
“The Lincoln School in Erie, Colorado, at 645 Holbrook St., was built in 1906. It was listed on the National Register of Historic Places in 1981.”
Wikipedia article Lincoln School (Erie, Colorado), CC BY-SA 4.0.
One of 36 National Register listings published here for Weld County · listed in 1981 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article