IOWA
For Each Educational Environment, What Is the Disability Distribution of
Students (Ages 6-21) in that Environment? How Does the Distribution Compare Across
Environment Categories? How does the Distribution Compare Across Age Groups?
Ages 6-11
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Specific Learning Disabilities 49.8 59.5 42.2 37.6 52.3
Speech/Language Impairments 23.1 7.7 5.9 4.9 15.6
Mental Retardation 13.5 17.4 25.4 21.9 16.3
Emotional Disturbance 8.4 9.6 15.4 24.1 9.8
Multiple Disabilities 0.4 0.5 1.5 1.2 0.6
Hearing Impairments 1.2 1.1 1.7 3.9 1.2
Orthopedic Impairments 1.2 1.4 1.8 0.7 1.3
Other Health Impairments 0.5 0.7 0.8 0.2 0.6
Visual Impairments 0.3 0.2 0.2 1.0 0.2
Autism 1.3 1.7 4.6 3.9 1.8
Deaf-Blindness 0.0 0.0 0.0 0.2 <0.1
Traumatic Brain Injury 0.2 0.3 0.4 0.2 0.3
Developmental Delay . . . . .
All Disabilities 100.0 100.0 100.0 100.0 100.0
Total N (in 2002) 15,047 10,171 3,026 407 28,651

 


Ages 12-17
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Specific Learning Disabilities 62.4 61.0 42.8 34.7 57.1
Speech/Language Impairments 8.3 6.6 5.0 4.2 6.8
Mental Retardation 14.0 16.8 28.4 18.5 17.9
Emotional Disturbance 9.6 10.6 16.8 35.2 12.4
Multiple Disabilities 0.4 0.4 0.8 1.2 0.5
Hearing Impairments 1.2 0.9 0.9 2.5 1.1
Orthopedic Impairments 1.6 1.3 1.6 0.9 1.5
Other Health Impairments 0.5 0.6 0.4 0.2 0.5
Visual Impairments 0.3 0.2 0.1 0.7 0.2
Autism 1.3 1.3 2.5 1.8 1.5
Deaf-Blindness <0.1 0.0 <0.1 0.0 <0.1
Traumatic Brain Injury 0.3 0.3 0.6 0.2 0.4
All Disabilities 100.0 100.0 100.0 100.0 100.0
Total N (in 2002) 13,451 14,176 6,393 1,615 35,635

 


Ages 18-21
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Specific Learning Disabilities 64.8 58.9 35.5 34.0 52.0
Speech/Language Impairments 6.0 5.5 4.2 3.1 5.1
Mental Retardation 13.8 21.0 36.5 33.5 24.1
Emotional Disturbance 9.8 10.1 11.8 13.5 10.8
Multiple Disabilities 0.2 <0.1 3.4 3.6 1.4
Hearing Impairments 1.2 0.6 0.8 3.9 1.2
Orthopedic Impairments 2.0 2.0 2.2 1.8 2.1
Other Health Impairments 0.2 0.3 0.3 0.0 0.2
Visual Impairments 0.2 <0.1 0.1 3.6 0.5
Autism 1.5 1.3 3.8 2.9 2.2
Deaf-Blindness 0.0 0.0 0.0 0.0 0.0
Traumatic Brain Injury 0.4 <0.1 1.3 0.0 0.5
All Disabilities 100.0 100.0 100.0 100.0 100.0
Total N (in 2002) 1,127 1,088 904 385 3,504

 
Separate Facilities includes public and private separate schools, public and private residential facilities,
and homebound/hospital environments.
 
For each column, the percentages were calculated by dividing the number of students in the disability
category by the number in all disability categories combined and then multiplying by 100.  The columns sum
to 100%.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2002 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 


IOWA (continued)
For Each Disability, What Percent of Students (Age 6-21) are Served in Each
Educational Environment? How Does this Percentage Compare Across
Disability Categories? How does this Percentage Compare Across Age Groups?
Ages 6-11
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Total N
(in 2002)
Specific Learning Disabilities 50.0 40.4 8.5 1.0 100.0 14,972
Speech/Language Impairments 78.0 17.5 4.0 0.4 100.0 4,463
Mental Retardation 43.7 37.9 16.5 1.9 100.0 4,661
Emotional Disturbance 45.1 34.8 16.6 3.5 100.0 2,810
Multiple Disabilities 39.3 30.4 27.4 3.0 100.0 168
Hearing Impairments 51.1 29.9 14.5 4.5 100.0 358
Orthopedic Impairments 47.0 37.9 14.2 0.8 100.0 372
Other Health Impairments 45.9 40.1 13.4 0.6 100.0 172
Visual Impairments 60.6 25.8 7.6 6.1 100.0 66
Autism 37.7 32.6 26.7 3.0 100.0 525
Deaf-Blindness 0.0 0.0 0.0 100.0 100.0 1
Traumatic Brain Injury 44.6 39.8 14.5 1.2 100.0 83
Developmental Delay . . . . . .
All Disabilities 52.5 35.5 10.6 1.4 100.0 28,651

 


Ages 12-17
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Total N
(in 2002)
Specific Learning Disabilities 41.3 42.5 13.5 2.8 100.0 20,334
Speech/Language Impairments 45.9 38.3 13.1 2.8 100.0 2,435
Mental Retardation 29.5 37.3 28.5 4.7 100.0 6,378
Emotional Disturbance 29.2 33.8 24.2 12.8 100.0 4,435
Multiple Disabilities 30.4 31.9 27.7 9.9 100.0 191
Hearing Impairments 41.4 33.2 15.2 10.2 100.0 394
Orthopedic Impairments 41.1 36.2 20.0 2.7 100.0 525
Other Health Impairments 38.0 47.6 12.3 2.1 100.0 187
Visual Impairments 47.7 28.4 10.2 13.6 100.0 88
Autism 31.4 33.5 29.7 5.4 100.0 538
Deaf-Blindness 50.0 0.0 50.0 0.0 100.0 2
Traumatic Brain Injury 35.2 33.6 28.9 2.3 100.0 128
All Disabilities 37.7 39.8 17.9 4.5 100.0 35,635

 


Ages 18-21
  Percent of Time Outside Regular Class  
Disability <21% 21-60% >60% Separate
Facilities
All
Environments
Total N
(in 2002)
Specific Learning Disabilities 40.0 35.2 17.6 7.2 100.0 1,823
Speech/Language Impairments 38.2 33.7 21.3 6.7 100.0 178
Mental Retardation 18.4 27.2 39.1 15.3 100.0 843
Emotional Disturbance 29.0 29.0 28.2 13.7 100.0 379
Multiple Disabilities 4.2 2.1 64.6 29.2 100.0 48
Hearing Impairments 33.3 14.3 16.7 35.7 100.0 42
Orthopedic Impairments 31.9 30.6 27.8 9.7 100.0 72
Other Health Impairments 25.0 37.5 37.5 0.0 100.0 8
Visual Impairments 11.1 5.6 5.6 77.8 100.0 18
Autism 22.4 18.4 44.7 14.5 100.0 76
Deaf-Blindness . . . . . 0
Traumatic Brain Injury 23.5 5.9 70.6 0.0 100.0 17
All Disabilities 32.2 31.1 25.8 11.0 100.0 3,504

 
Separate Facilities includes public and private separate schools, public and private residential facilities,
and homebound/hospital environments.
 
For each row, the percentages were calculated by dividing the number of students in the environment by the number in all
environments combined and then multiplying by 100.  The rows sum to 100%.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2002 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 


IOWA (continued)
For Each Preschool Environment, What Is the Disability Distribution of Children (Ages 3-5) in that Environment?
How Does the Distribution Compare Across Environment Categories?
Disability Early
Childhood
Early
Childhood
Special
Education
Home Part-time
Early
Childhood
Special
Education
Separate
Facility
Itinerant
Services
Outside
Home
Reverse
Mainstream
All
Environments
Specific Learning Disabilities 53.1 54.4 47.5 56.8 36.7 28.7 59.0 48.8
Speech/Language Impairments 17.3 11.5 26.1 8.9 10.0 55.9 9.0 22.5
Mental Retardation 15.2 17.6 13.4 17.5 33.3 8.2 16.8 14.9
Emotional Disturbance 8.8 9.6 7.7 9.6 10.0 4.7 9.7 8.3
Multiple Disabilities 0.5 0.6 0.4 0.5 6.7 0.2 0.6 0.5
Hearing Impairments 1.5 2.3 1.9 2.3 0.0 0.5 1.0 1.6
Orthopedic Impairments 1.4 1.1 1.1 1.1 0.0 0.7 1.0 1.1
Other Health Impairments 0.4 0.3 0.0 0.3 0.0 <0.1 0.0 0.3
Visual Impairments 0.3 0.2 0.4 0.3 0.0 0.2 1.0 0.3
Autism 1.4 2.0 0.8 2.3 3.3 0.6 1.6 1.5
Deaf-Blindness 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Traumatic Brain Injury 0.2 0.3 0.8 0.5 0.0 <0.1 0.3 0.3
Developmental Delay 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
All Disabilities 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
Total N (in 2002) 1,391 1,809 261 753 30 1,219 310 5,773

 
Separate Facility includes residential facilities and separate schools.
 
The "Itinerant Services Outside Home" and "Reverse Mainstream" environments are optional categories that states can use when reporting data.
 
For each column, the percentages were calculated by dividing the number of students in the disability category by the number in all disability categories
combined and then multiplying by 100.  The columns sum to 100%.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2002 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 


IOWA (continued)
For Each Disability, What Percent of Children (Ages 3-5) are Served in Each Preschool Environment?
How Does this Percentage Compare Across Disability Categories?
Disability Early
Childhood
Early
Childhood
Special
Education
Home Part-time
Early
Childhood
Special
Education
Separate
Facility
Itinerant
Services
Outside
Home
Reverse
Mainstream
All
Environments
Total N
(in 2002)
Specific Learning Disabilities 26.2 34.9 4.4 15.2 0.4 12.4 6.5 100.0 2,819
Speech/Language Impairments 18.6 16.0 5.2 5.2 0.2 52.6 2.2 100.0 1,297
Mental Retardation 24.6 37.1 4.1 15.4 1.2 11.6 6.1 100.0 859
Emotional Disturbance 25.5 36.4 4.2 15.1 0.6 11.9 6.3 100.0 478
Multiple Disabilities 24.1 34.5 3.4 13.8 6.9 10.3 6.9 100.0 29
Hearing Impairments 22.6 44.1 5.4 18.3 0.0 6.5 3.2 100.0 93
Orthopedic Impairments 30.6 32.3 4.8 12.9 0.0 14.5 4.8 100.0 62
Other Health Impairments 40.0 40.0 0.0 13.3 0.0 6.7 0.0 100.0 15
Visual Impairments 23.5 23.5 5.9 11.8 0.0 17.6 17.6 100.0 17
Autism 21.6 42.0 2.3 19.3 1.1 8.0 5.7 100.0 88
Deaf-Blindness . . . . . . . . 0
Traumatic Brain Injury 18.8 31.3 12.5 25.0 0.0 6.3 6.3 100.0 16
Developmental Delay . . . . . . . . 0
All Disabilities 24.1 31.3 4.5 13.0 0.5 21.1 5.4 100.0 5,773

 
Separate Facility includes residential facilities and separate schools.
 
The "Itinerant Services Outside Home" and "Reverse Mainstream" environments are optional categories that states can use when reporting data.
 
For each row, the percentages were calculated by dividing the number of students in the environment by the number in all environments combined and then
multiplying by 100.  The rows sum to 100%.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2002 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 


IOWA (continued)
How Will the OSEP Graduation Rate Change When the
"Moved, Not Known to Be Continuing" Category is Eliminated?
Disability Number
Leaving
School
(Current)
Number
Moved, Not
Known to
Continue
Number
Leaving
School
(new)
Number of
Diplomas
2001-02
Graduation
Rate
(current)
2001-02
Graduation
Rate
(new)
Difference in
Graduation
Rate
Specific Learning Disabilities 2,314 340 2,654 1,735 75 65 -10
Speech/Language Impairments 7 2 9 7 100 78 -22
Mental Retardation 798 118 916 629 79 69 -10
Emotional Disturbance 550 134 684 327 59 48 -12
Multiple Disabilities 19 1 20 13 68 65 -3
Hearing Impairments 34 9 43 28 82 65 -17
Orthopedic Impairments 44 2 46 40 91 87 -4
Other Health Impairments 10 1 11 8 80 73 -7
Visual Impairments 14 0 14 13 93 93 0
Autism 14 1 15 13 93 87 -6
Deaf-Blindness 0 0 0 0 . . .
Traumatic Brain Injury 12 1 13 11 92 85 -7
All Disabilities 3,816 609 4,425 2,824 74 64 -10

 
As described in the September 12, 2003 memo from Stephanie Lee, OSEP will modify its GRPA calculations for the graduation and
dropout rates.  Beginning with the exiting data for 2003-04, students reported in the "Moved, Not Known to Be Continuing" category
will be treated as dropouts.  When calculating the graduation rate, students in this category will be included in the denominator.
When calculating the dropout rate, students in this category will be included in both the numerator and the denominator.
 
Current Number Leaving School includes diploma recipients, dropouts, certificate recipients, reached maximum age, and died.
 
New Number Leaving School includes diploma recipients, dropouts (including moved, not known to continue), certificate recipients, reached
maximum age, and died.
 
Current Graduation Rate = [Diploma Recipients ÷ Number Leaving School (current)] * 100.
 
New Graduation Rate = [Diploma Recipients ÷ Number Leaving School (new)] * 100.
 
Difference in Graduation Rate = New Graduation Rate - Current Graduation Rate. Difference calculated prior to rounding.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2001-02 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).

 


IOWA (continued)
How Will the OSEP Drop Out Rate Change When the
"Moved, Not Known to Be Continuing" Category is Eliminated?
Disability Number
Leaving
School
(Current)
Number
Moved, Not
Known to
Continue
Number
Leaving
School
(new)
Number of
Dropouts
(current)
Number of
Dropouts
(new)
2001-02
Dropout
Rate
(current)
2001-02
Dropout
Rate
(new)
Difference in
Dropout
Rate
Specific Learning Disabilities 2,314 340 2,654 519 859 22 32 10
Speech/Language Impairments 7 2 9 0 2 0 22 22
Mental Retardation 798 118 916 142 260 18 28 11
Emotional Disturbance 550 134 684 205 339 37 50 12
Multiple Disabilities 19 1 20 1 2 5 10 5
Hearing Impairments 34 9 43 5 14 15 33 18
Orthopedic Impairments 44 2 46 2 4 5 9 4
Other Health Impairments 10 1 11 2 3 20 27 7
Visual Impairments 14 0 14 0 0 0 0 0
Autism 14 1 15 1 2 7 13 6
Deaf-Blindness 0 0 0 0 0 . . .
Traumatic Brain Injury 12 1 13 1 2 8 15 7
All Disabilities 3,816 609 4,425 878 1,487 23 34 11

 
As described in the September 12, 2003 memo from Stephanie Lee, OSEP will modify its GRPA calculations for the graduation and
dropout rates.  Beginning with the exiting data for 2003-04, students reported in the "Moved, Not Known to Be Continuing" category
will be treated as dropouts.  When calculating the graduation rate, students in this category will be included in the denominator.
When calculating the dropout rate, students in this category will be included in both the numerator and the denominator.
 
Current Number Leaving School includes diploma recipients, dropouts, certificate recipients, reached maximum age, and died.
 
New Number Leaving School includes diploma recipients, dropouts (including moved, not known to continue), certificate recipients, reached
maximum age, and died.
 
Current Number of Dropouts includes only the "Dropped Out" exiting category.
 
New Number of Dropouts includes the "Dropped Out" and "Moved, Not Known to Be Continuing" exiting categories.
 
Current Dropout Rate = [Number of Dropouts (current) ÷ Number Leaving School (current)] * 100.
 
New Dropout Rate = [Number of Dropouts (new) ÷ Number Leaving School (new)] * 100.
 
Difference in Dropout Rate = New Dropout Rate - Current Dropout Rate.  Difference calculated prior to rounding.
 
Please see Data Notes for an explanation of individual state differences on how data are reported.
Data based on December 2001-02 counts, updated as of July 2003.
U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS).