The phrase "district average" refers to the average or typical value of something across a specific district or area. It is a way to understand what is considered normal or typical in that particular region.
Sentences with «district average»
The students tested above district averages in all areas, and above state averages in all but one. (educationnext.org)
More than two dozen charters scored below district averages. (wacharterschools.org)
The school is already exceeding district averages in reading and math, and the numbers continue to climb. (priorityschools.org)