Table AA6
Number of Children Served Under IDEA, Part B
By Disability and Age
During the 1999-2000 School Year

DISABILITY 3 YEARS
OLD		 4 YEARS
OLD		 5 YEARS
OLD		 6 YEARS
OLD		 7 YEARS
OLD		 8 YEARS
OLD		 9 YEARS
OLD
SPECIFIC LEARNING DISABILITIES . . . 37,369 87,436 160,840 239,255
SPEECH OR LANGUAGE IMPAIRMENTS . . . 211,984 213,747 191,674 157,790
MENTAL RETARDATION . . . 21,157 30,522 39,069 45,965
EMOTIONAL DISTURBANCE . . . 9,009 15,934 24,144 31,755
MULTIPLE DISABILITIES . . . 7,604 7,460 8,522 9,197
HEARING IMPAIRMENTS . . . 4,393 5,117 5,698 6,166
ORTHOPEDIC IMPAIRMENTS . . . 5,714 6,006 6,372 6,398
OTHER HEALTH IMPAIRMENTS . . . 10,906 15,121 20,500 24,685
VISUAL IMPAIRMENTS . . . 1,611 1,930 2,229 2,448
AUTISM . . . 8,325 8,769 7,838 7,020
DEAF-BLINDNESS . . . 110 142 129 145
TRAUMATIC BRAIN INJURY . . . 471 630 826 979
DEVELOPMENTAL DELAY . . . 10,021 5,153 3,103 1,027
ALL DISABILITIES 121,768 205,107 261,425 328,674 397,967 470,944 532,830

--------------------
Please see data notes for an explanation of individual State differences.
Developmental Delay is applicable only to children 3 through 9.
Data based on the December 1, 1999 count, updated as of September 25, 2000.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 

 
Table AA6
Number of Children Served Under IDEA, Part B
By Disability and Age
During the 1999-2000 School Year

DISABILITY 10 YEARS
OLD		 11 YEARS
OLD		 12 YEARS
OLD		 13 YEARS
OLD		 14 YEARS
OLD		 15 YEARS
OLD		 16 YEARS
OLD
SPECIFIC LEARNING DISABILITIES 286,719 306,533 310,787 302,604 289,168 267,153 239,305
SPEECH OR LANGUAGE IMPAIRMENTS 110,737 72,250 43,908 29,956 20,451 14,063 10,545
MENTAL RETARDATION 49,916 52,085 53,119 54,085 54,203 52,764 49,613
EMOTIONAL DISTURBANCE 37,547 41,490 44,846 49,105 52,329 52,426 47,676
MULTIPLE DISABILITIES 9,154 9,375 8,373 8,134 8,014 7,797 7,656
HEARING IMPAIRMENTS 6,161 6,312 6,075 5,773 5,694 5,365 5,111
ORTHOPEDIC IMPAIRMENTS 6,253 6,068 5,595 5,555 5,294 4,922 4,538
OTHER HEALTH IMPAIRMENTS 26,362 26,890 24,573 23,629 21,908 19,828 17,267
VISUAL IMPAIRMENTS 2,116 2,224 2,100 2,059 1,981 1,999 1,998
AUTISM 5,864 5,223 4,025 3,717 3,252 2,765 2,533
DEAF-BLINDNESS 264 114 121 100 118 113 115
TRAUMATIC BRAIN INJURY 1,154 1,159 1,160 1,136 1,159 1,187 1,220
DEVELOPMENTAL DELAY . . . . . . .
ALL DISABILITIES 542,247 529,723 504,682 485,853 463,571 430,382 387,577

--------------------
Please see data notes for an explanation of individual State differences.
Developmental Delay is applicable only to children 3 through 9.
Data based on the December 1, 1999 count, updated as of September 25, 2000.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 

 
Table AA6
Number of Children Served Under IDEA, Part B
By Disability and Age
During the 1999-2000 School Year

DISABILITY 17 YEARS
OLD		 18 YEARS
OLD		 19 YEARS
OLD		 20 YEARS
OLD		 21 YEARS
OLD		 22 YEARS
OLD
SPECIFIC LEARNING DISABILITIES 199,628 112,987 24,796 5,602 1,784 136
SPEECH OR LANGUAGE IMPAIRMENTS 7,801 3,720 946 293 99 15
MENTAL RETARDATION 45,018 33,451 17,273 10,771 5,422 1,949
EMOTIONAL DISTURBANCE 37,552 17,938 5,372 2,110 878 94
MULTIPLE DISABILITIES 7,036 5,506 4,089 3,299 1,777 462
HEARING IMPAIRMENTS 4,882 3,087 1,210 474 153 24
ORTHOPEDIC IMPAIRMENTS 4,017 2,504 1,140 647 399 114
OTHER HEALTH IMPAIRMENTS 13,733 6,282 1,650 577 199 9
VISUAL IMPAIRMENTS 1,907 1,120 459 285 124 16
AUTISM 2,100 1,624 1,096 835 438 236
DEAF-BLINDNESS 119 94 80 60 21 7
TRAUMATIC BRAIN INJURY 1,276 847 375 206 89 6
DEVELOPMENTAL DELAY . . . . . .
ALL DISABILITIES 325,069 189,160 58,486 25,159 11,383 3,068

--------------------
Please see data notes for an explanation of individual State differences.
Developmental Delay is applicable only to children 3 through 9.
Data based on the December 1, 1999 count, updated as of September 25, 2000.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).