Original definitions and characteristics of speech and language impairments are preserved and organized for quick retrieval. Minimal IDEA updates clarify the federal SLI definition and IEP teams’ obligations related to AT/AAC.
Update (2025-09-24): IDEA defines Speech or language impairment (SLI) at 34 CFR §300.8(c)(11) as a communication disorder (e.g., stuttering, impaired articulation, language impairment, or voice impairment) that adversely affects educational performance. source (eCFR)
Update (2025-09-24): IEP Teams must consider the student’s need for assistive technology (34 CFR §300.324) and may include AT (e.g., AAC systems) that is required in the home or other settings to receive FAPE (34 CFR §300.105). source source