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NCES Statistical Analysis Report, September 2001: Overview of Public Elementary and Secondary Schools and Districts: School Year 1999-2000

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Table A-2. - Distribution of regular public school districts providing instruction, by membership size and by state: School year 1999-2000
State Districts having student membership Distribution of districts by membership size
Mean 10th percentile 25th percentile Median 75th percentile 90th percentile Maximum
United States 14,571 3,179 117 341 1,029 2,692 6,147 1,075,710
Alabama 128 5,705 1,480 2,306 3,211 5,973 9,508 65,067
Alaska 53 2,506 133 248 491 1,746 3,725 49,382
Arizona 360 2,361 52 114 282 1,565 5,057 71,894
Arkansas 310 1,454 275 438 747 1,475 3,030 25,308
California 987 5,958 108 361 1,681 5,863 14,587 710,007
Colorado 176 4,020 138 292 664 2,440 8,468 88,579
Connecticut 166 3,195 343 892 2,178 4,086 7,283 22,538
Delaware 19 5,934 1,124 2,135 3,873 6,539 11,238 20,445
District of Columbia 1 70,762 - - - - - 70,762
Florida 67 35,482 2,228 4,598 12,646 32,306 78,685 360,136
Georgia 180 7,905 1,286 1,929 3,406 6,980 16,594 104,552
Hawaii 1 185,860 - - - - - 185,860
Idaho 113 2,170 181 343 964 2,100 4,733 26,776
Illinois 896 2,237 201 464 916 1,885 3,873 431,750
Indiana 292 3,381 887 1,300 1,934 3,567 7,112 41,359
Iowa 375 1,326 296 453 698 1,253 2,182 31,509
Kansas 304 1,544 194 343 589 1,191 2,802 47,778
Kentucky 176 3,669 686 1,226 2,369 3,827 6,646 97,053
Louisiana 75 10,049 610 2,641 4,683 10,225 23,897 80,526
Maine 281 759 17 90 321 966 2,312 7,933
Maryland 24 35,274 3,118 6,296 15,732 41,404 106,465 131,059
Massachusetts 245 3,352 284 796 2,338 4,158 6,474 62,950
Michigan 721 2,359 126 359 1,208 2,615 4,861 167,124
Minnesota 400 2,123 124 381 852 1,795 4,503 48,688
Mississippi 152 3,285 926 1,612 2,432 3,813 6,096 31,384
Missouri 523 1,747 144 289 651 1,494 3,823 45,658
Montana 452 348 9 34 110 278 720 10,392
Nebraska 571 503 7 14 109 336 691 45,039
Nevada 17 19,154 347 907 4,034 7,158 10,161 217,526
New Hampshire 165 1,253 88 218 619 1,553 2,746 17,213
New Jersey 581 2,197 238 483 1,139 2,463 5,209 42,101
New Mexico 89 3,646 162 346 869 3,593 8,470 85,381
New York 704 4,069 371 864 1,562 3,163 5,600 1,075,710
North Carolina 120 10,517 1,655 3,110 6,180 11,246 20,763 100,553
North Dakota 229 491 29 87 197 352 691 11,695
Ohio 658 2,809 602 1,045 1,751 2,955 5,224 76,559
Oklahoma 544 1,153 130 232 426 943 2,025 42,793
Oregon 197 2,755 72 252 933 2,835 6,672 53,587
Pennsylvania 500 3,565 1,020 1,478 2,433 3,758 6,384 205,199
Rhode Island 36 4,315 658 1,941 3,271 4,444 6,670 26,427
South Carolina 86 7,753 1,224 2,362 4,367 9,300 16,701 59,176
South Dakota 173 753 121 196 314 614 1,394 18,819
Tennessee 138 6,574 926 1,540 3,401 6,029 10,700 112,819
Texas 1,041 3,810 167 366 903 2,596 6,962 209,716
Utah 40 11,946 537 1,526 4,002 13,007 36,884 73,111
Vermont 248 416 64 111 230 524 957 3,681
Virginia 132 8,581 1,124 1,941 3,644 7,924 18,043 152,952
Washington 296 3,391 93 276 1,078 3,512 9,623 47,989
West Virginia 55 5,291 1,430 2,082 4,271 6,059 11,733 30,106
Wisconsin 426 2,059 362 589 1,017 1,938 3,655 99,729
Wyoming 48 1,914 272 500 901 2,206 3,340 13,346
Outlying areas, DOD Dependents Schools and Bureau of Indian Affairs*
DODDS: DOD Overseas 11 6,671 3,827 4,634 5,722 7,965 9,411 11,050
DDESS: DOD Domestic 17 2,005 389 776 1,198 3,153 4,260 4,469
Bureau of Indian Affairs 23 2,130 627 983 1,667 2,723 3,529 5,612
American Samoa 1 15,477 - - - - - 15,477
Guam 1 32,951 - - - - - 32,951
Northern Marianas 1 9,732 - - - - - 9,732
Puerto Rico 1 613,019 - - - - - 613,019
Virgin Islands 1 20,866 - - - - - 20,866
*Table includes 28 Department of Defense and 24 BIA school districts that are technically federally operated agencies; this is in order to report data for these agencies in the table.

NOTE: Distributions cannot be calculated for states and outlying areas that have a single district. Table excludes agencies for which no students were reported in membership. U.S. totals include the 50 states and the District of Columbia. The mean is the average. If all districts were ranked by size from smallest to largest, half of the districts would fall below the median. For example, dividing the total number of students by the total number of districts yields an average district size of 3,179 students (mean), while half of the districts in the United States have 1,029 or fewer students (median). The percentile indicates what percent of cases a value exceeds; for example, 10 percent of districts have fewer than 117 students.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data "Local Education Agency Universe Survey," 1999-2000.

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