Number of      Percentage      Percentage
District membership size        districts    of districts     of students

United States                      14,427           100.0           100.0

100,000 or more                        25             0.2            12.4
 25,000 to 99,999                     205             1.4            19.1
 10,000 to 24,999                     572             4.0            18.6
 7,500 to 9,999                       339             2.3             6.3
 5,000 to 7,499                       699             4.8             9.2
 2,500 to 4,999                     2,079            14.4            15.9
 2,000 to 2,499                       847             5.9             4.1
 1,500 to 1,999                     1,091             7.6             4.1
 1,000 to 1,499                     1,586            11.0             4.3
 800 to 999                           815             5.6             1.6
 600 to 799                           960             6.7             1.5
 450 to 599                           944             6.5             1.1
 300 to 449                         1,100             7.6             0.9
 150 to 299                         1,427             9.9             0.7
 1 to 149                           1,738            12.0             0.3