Understanding Students with Disabilities and the Special Education Process
What this domain tests
Domain 2 covers the characteristics of IDEA disability categories and the referral-to-IEP sequence: evaluation, eligibility, IEP content, least restrictive environment, procedural safeguards, and secondary transition.
Core rules and concepts
- IDEA names 13 categories, including specific learning disability, other health impairment, autism, emotional disturbance, speech/language impairment, and intellectual disability. Eligibility depends on adverse educational impact and need for special education, not diagnosis alone.
- Evaluation must be comprehensive, use multiple technically sound measures, assess all areas of suspected disability, and include parent and qualified professional input. No single measure may determine eligibility.
- For SLD, IDEA does not require an IQ–achievement discrepancy. Districts may use RTI data; exclusionary factors such as lack of appropriate instruction must be ruled out.
- ADHD is often considered under other health impairment when it limits strength, vitality, or alertness and affects educational performance.
- The IEP includes present levels, measurable annual goals, progress monitoring, SDI, related services, accommodations, and LRE justification. In Pennsylvania, transition planning generally begins at age 14.
- Safeguards include prior written notice, consent, independent educational evaluations, mediation, and due process.
Worked example
A fourth grader has an ADHD diagnosis, average grades, and frequent missing assignments. The team cannot base eligibility on the diagnosis alone. It should gather classroom data, rating scales, work samples, and teacher observations to determine whether ADHD has an adverse educational impact and whether the student needs SDI. If the student only needs accommodations, a Section 504 plan may be appropriate; if specially designed instruction is needed, an IEP under OHI may be appropriate. The reasoning turns on impact and need, not the label.
Traps that cost marks
- Confusing a medical diagnosis with IDEA eligibility.
- Requiring a severe discrepancy before evaluating for SLD.
- Delaying evaluation until RTI tiers are exhausted.
- Placing a student in a more restrictive setting before trying supplementary aids and services.
- Using age 16 for PA transition when state practice begins at 14.