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International Center for Disability Information

By State, Total Number Of People Age 6-21 Years Served Under The Individuals With Disabilities Education Act (IDEA), By The Disability Types: Specific Learning Disabilities, Speech Or Language Impairments, Mental Retardation, And Emotional Disturbance (2000).
State Total Served By IDEA
Age 6-21
Specific Learning Disabilities Speech/
Language Impairments
Mental Retardation Emotional Disturbance
Alabama
92,428 
41,819
15,746
21,319
5,339
Alaska
15,862
9,118
3,319
795
803
Arizona
84,260
49,437
14,724
6,938
5,833
Arkansas
51,833
22,664
9,187
11,785
449
California
582,324
346,203
124,997
34,072
21,182
Colorado
68,881
34,188
12,701
3,347
8,625
Connecticut
67,447
32,410
12,390
3,929
7,420
Delaware
14,646
9,016
1,512
2,039
636
District of Columbia
8,788
3,940
641
1,473
1,079
Florida
326,835
158,472
74,736
38,917
36,585
Georgia
148,452
47,119
31,473
29,932
23,638
Hawaii
21,104
10,587
2,357
2,880
3,147
Idaho
25,486
14,911
4,058
2,120
753
Illinois
263,028
132,103
56,496
27,315
30,652
Indiana
137,100
58,288
35,539
21,729
11,369
Iowa
66,371
33,258
5,057
15,706
9,665
Kansas
52,702
23,342
11,056
5,256
4,222
Kentucky
75,624
21,111
17,762
18,145
5,741
Louisiana
86,961
36,496
18,502
12,364
5,479
Maine
31,185
13,222
7,457
1,091
3,899
Maryland
101,961
45,398
24,480
6,705
8,679
Massachusetts
150,445 
92,211
22,606
14,738
13,042
Michigan
194,285
92,008
38,417
23,486
18,421
Minnesota
96,572
39,091
15,951
9,949
17,717
Mississippi
55,547
27,470
16,230
6,243
575
Missouri
124,267
65,594
25,602
12,544
9,427
Montana
17,425
9,806
3,299
1,189
1,001
Nebraska
38,870
16,299
9,480
6,040
2,819
Nevada
32,039
20,371
5,312
1,703
1,642
New Hampshire
26,404
13,043
5,361
1,015
2,387
New Jersey
198,272
110,088
43,129
5,175
13,544
New Mexico
47,231
28,699
8,710
2,019
3,258
New York
384,207
207,078
56,901
16,269
44,679
North Carolina
155,706
67,013
27,988
28,912
10,278
North Dakota
12,329
5,683
3,458
1,224
969
Ohio
216,859
83,536
41,513
51,422
14,449
Oklahoma
 77,072
43,502
14,008
8,969
3,835
Oregon
67,144
34,475
14,962
4,317
4,467
Pennsylvania
211,199
116,263
36,385
27,188
18,845
Rhode Island
27,244
15,792
4,803
1,131
2,395
South Carolina
91,801
40,971
21,193
17,455
6,049
South Dakota
13,979
7,260
3,181
1,423
618
Tennessee
116,042
55,751
24,808
15,214
3,541
Texas
457,771
265,189
70,885
25,554
36,267
Utah
49,475
28,731
8,841
3,282
3,806
Vermont
12,682
4,856
2,035
1,412
2,062
Virginia
147,372
73,140
23,672
14,417
13,087
Washington
104,612
50,457
16,772
7,008
4,950
West Virginia
44,905
19,517
10,866
9,175
2,166
Wisconsin
107,275
51,056
17,217
13,057
16,162
Wyoming
11,640
5,980
2,691
683
931
U.S. Total
5,613,949
2,834,032
1,080,466
600,070
468,584

Note: The "Total Served By IDEA Age 6-21" column includes the disabilities listed in this table plus the disabilities listed in two other tables.

The criteria for being served for a specific disability type are not provided due to the different criteria states set for students with disabilities to be served for specific disability types.

To calculate the percent of people age 6-21 years served in a state under IDEA for a specific disability type, divide the number served for the specific disability type by the total number served by IDEA in the state and multiply the result by 100. Example: Calculate the percent of people in Mississippi served for speech or language impairments. This calculation would be: 16,230/55,547=.2292 and .2292x100=22.92%

Source: Office of Special Education Programs (OSEP), 23rd Annual Report to Congress (2001).

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