Specific Learning Disability vs. Intellectual Disability
These two disability categories are often confused but are fundamentally different. Understanding the distinction affects eligibility, services, goals, and educational placement.
Specific Learning Disability
Intellectual Disability (formerly Mental Retardation)
A disorder in one or more basic psychological processes (reading, writing, math, etc.)
Significantly below-average intellectual functioning with deficits in adaptive behavior
Average or above-average IQ — the gap is between ability and achievement
IQ generally below 70–75, with limitations in everyday functioning
Dyslexia, dyscalculia, dysgraphia, auditory/visual processing disorders
Mild, moderate, severe, profound (based on IQ and adaptive functioning)
General education curriculum with accommodations and specialized instruction
May include significantly modified curriculum, life skills, functional academics
Usually general education with resource room or pull-out support
Ranges from general education with support to self-contained classrooms
Standard high school diploma expected
May receive a certificate of completion or modified diploma in some states
Most common IDEA category (~33% of students with IEPs)
About 6% of students with IEPs
34 C.F.R. § 300.8(c)(10)
34 C.F.R. § 300.8(c)(6)
The Bottom Line
A child with SLD has average intelligence but struggles in specific areas — they need targeted, evidence-based intervention. A child with an intellectual disability has broader cognitive limitations — they need comprehensive support across academics and daily living. Both deserve ambitious, individualized goals.
More Comparisons
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