This is a list of unified school districts (USD) in the state of Kansas.
It is grouped by county, based on the headquarters location of each school district.
[1] The number of students in rural communities dropped significantly across the 20th century.
As farming technology progressed from animal power to small tractors towards large tractors over time, it allowed a farmer to support significantly more farm land.
In combination with a loss of young men during foreign wars and rural flight, all of these caused an incremental population shrinkage of rural communities over time.