IDEA Disability Categories in Wisconsin
What disability categories qualify for an IEP in Wisconsin?
Wisconsin recognizes 13 disability categories for special education eligibility under Wis. Stat. § 115.76(5)(a) and the criteria in Wis. Admin. Code PI 11.36. The categories are: cognitive disability (Wisconsin's term for intellectual disability), hearing impairment (deaf/hard of hearing), speech or language impairment, visual impairment (blind/visually impaired), emotional behavioral disability (EBD), orthopedic impairment, autism spectrum disorder, traumatic brain injury, other health impairment, specific learning disability, deafblindness, developmental delay (ages 3-9 only), and significant developmental delay (ages 3-5 only for children with substantial delays in two or more developmental domains). Wisconsin uses 'Emotional Behavioral Disability' (EBD) rather than the federal 'Emotional Disturbance,' with uniquely stringent multi-setting criteria (behaviors must manifest in academic school, non-academic school, AND home/community) and a licensed mental health professional diagnosis requirement for sudden-onset EBD (Wis. Admin. Code PI 11.36(7)). For SLD, Wisconsin mandates a Response to Intervention (RtI) model with a 1.25 SD achievement threshold; the ability-achievement discrepancy model is available only for private school students (Wis. Admin. Code PI 11.36(6)).
What Wisconsin Requires
Wisconsin recognizes 13 disability categories; eligibility requires that the disability adversely affects educational performance and necessitates special education (Wis. Stat. § 115.76(5)(a); Wis. Admin. Code PI 11.36).
Wisconsin uses 'Emotional Behavioral Disability' (EBD) rather than the federal 'Emotional Disturbance.' EBD requires evidence of behaviors in at least three settings: academic school, non-academic school, AND home/community (Wis. Admin. Code PI 11.36(7)).
Sudden-onset EBD requires a diagnosis by a licensed mental health professional — a Wisconsin-specific requirement that exceeds the federal IDEA standard (Wis. Admin. Code PI 11.36(7)).
SLD identification requires an RtI/inadequate progress model: documented inadequate classroom achievement (score ≥1.25 SD below mean after intensive, evidence-based interventions) plus systematic classroom observation; the discrepancy model is available only for private school students (Wis. Admin. Code PI 11.36(6)).
Cognitive disability (Wisconsin's statutory term for intellectual disability) requires: IQ score ≥2 SD below the mean, significant adaptive behavior limitations, and documented deficits in written language/reading/math (ages 6-21) or language/cognition (ages 3-5) (Wis. Admin. Code PI 11.36).
Eligibility may not be based solely on lack of appropriate instruction in reading or math, or on limited English proficiency (Wis. Stat. § 115.782).
Key Timelines
Initial evaluation, eligibility determination, and IEP development: 60 days to determine disability + 30 days for IEP meeting = 90-day outer limit from parental consent (Wis. Stat. § 115.78(3)).
Reevaluation of eligibility must occur at least every three years (Wis. Stat. § 115.782; 34 CFR 300.303).
Reevaluation must also occur before terminating eligibility, except upon graduation with a regular diploma or reaching age 21 (Wis. Stat. § 115.782).