Enrollment Figures

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Number of Children Ages 6-21 Served Under IDEA by Disability
Disability	1988-89	1997-98	Percent Change
Specific Learning Disabilities	1,995,186	2,756,046	38.1
Speech or Language Impairments	965,385	1,067,181	10.5
Mental Retardation	576,671	603,408	4.6
Emotional Disturbance	373,202	455,194	22
Multiple Disabilities	84,480	107,234	27
Hearing Impairments	57,117	69,672	22
Orthopedic Impairments	47,195	67,502	43
Other Health Impairments	50,321	191,153	279.8
Visual Impairments	22,461	26,070	16.1
Autism	-	42,511	n/a*
Deaf- Blindness	1,494	1,463	- 2.1
Traumatic Brain Injury	-	11,914	n/a**
Developmental Delay	-	1,944	n/a***
All Disabilities	4,173,512	5,401,292	29.4
Category introduced in 1995. Category introduced in 1991. **Category introduced in 1997.

Number of Children Served Under IDEA by Age Group
Age Group	1988- 89	1997- 98	Percent Change
Age Group 0-2	34,270	197,376	476
Age Group 3-5	360,281	571,049	58.5
Age Group 6-21	4,173,512	5,401,292	29.4
SOURCE: “The 21st Annual Report to Congress on the Implementation of IDEA.”