IEP vs 504 Plan: What's the Difference?

One of the most common questions from parents and new teachers: What's the difference between an IEP and a 504 Plan? Both provide support for students with disabilities, but they work very differently. Understanding the distinction helps you advocate for the right services.

Quick Comparison

What Is an IEP?

An Individualized Education Program (IEP) is a legal document developed under the Individuals with Disabilities Education Act (IDEA). It provides specialized instruction and services for students whose disability significantly impacts their educational performance.

Who qualifies for an IEP?

A student must:

1. Have one of the 13 disability categories defined by IDEA (specific learning disability, autism, emotional disturbance, speech/language impairment, etc.)
2. Need specialized instruction — not just accommodations — to make progress in school

What does an IEP include?

• Present levels of performance (PLAAFP)
• Measurable annual goals
• Special education and related services
• Accommodations and modifications
• Least restrictive environment determination
• Progress monitoring plan
• Transition services (by age 16)

Example IEP scenario:

Student B has dyslexia and reads 2 grade levels below peers. They need specialized reading instruction (Orton-Gillingham) 3 times per week, plus accommodations like extended time and audiobooks. This requires an IEP because the student needs specialized instruction, not just accommodations.

What Is a 504 Plan?

A 504 Plan is a plan developed under Section 504 of the Rehabilitation Act of 1973 to ensure that students with disabilities have equal access to learning. It provides accommodations and modifications — but not specialized instruction.

Who qualifies for a 504 Plan?

A student must:

1. Have a physical or mental impairment that substantially limits one or more major life activities (including learning)
2. Not necessarily need special education services

"Major life activities" include: learning, reading, concentrating, walking, breathing, seeing, hearing, speaking, and more.

What does a 504 Plan include?

• Description of the disability
• Accommodations (extended time, preferential seating, etc.)
• Modifications to the learning environment
• Who is responsible for implementing each accommodation

Example 504 scenario:

Student C has ADHD and takes medication that manages their symptoms. They perform at grade level academically but need extended time on tests, preferential seating, and movement breaks. This fits a 504 Plan — the student doesn't need specialized instruction, just accommodations to access the general curriculum.

Key Differences Explained

1. Eligibility Is Broader for 504

Not every student with a disability qualifies for an IEP. To get an IEP, the disability must require specialized instruction. If a student has a disability but can succeed with accommodations alone, they may qualify for a 504 Plan instead.

Some common 504-only situations:

• ADHD managed with medication
• Diabetes or other health conditions
• Food allergies
• Anxiety or depression (mild-moderate)
• Temporary disabilities (broken hand, surgery recovery)

2. IEPs Provide Specialized Instruction

This is the biggest difference. An IEP can include:

• Pull-out resource room services
• Specialized reading or math programs
• Speech therapy, occupational therapy
• Counseling services
• 1:1 paraprofessional support

A 504 Plan cannot include these. It can only provide accommodations that level the playing field within the general education classroom.

3. Legal Protections Differ

4. IEPs Follow the Student Across States

If a family moves to a different state, the new school must provide comparable services until they adopt or develop a new IEP. A 504 Plan doesn't have this guarantee, though most schools will honor an existing plan while they review it.

5. 504 Plans Continue to College

Both IEPs and 504 Plans end at high school graduation (or age 21, whichever comes first). However, 504 Plans do extend to college and beyond — because Section 504 covers all entities receiving federal funds, including universities. College students with disabilities can get 504 accommodations (extended test time, note-takers, etc.) but not IEPs.

When Should a Student Move from 504 to IEP?

If a student with a 504 Plan starts falling behind despite accommodations, the team should consider evaluating for an IEP. Signs that an IEP may be needed:

• The student is not making adequate progress with accommodations alone
• Grades are declining despite interventions
• The student needs specialized instruction that the general education teacher can't provide
• Behavioral or social-emotional needs are increasing
• Parents or teachers suspect a specific learning disability

When Should a Student Move from IEP to 504?

Sometimes, a student no longer needs the intensity of an IEP. If the student has made sufficient progress and can succeed with accommodations alone, the team may transition them to a 504 Plan. This requires:

1. A team meeting
2. Review of current data
3. Agreement that specialized instruction is no longer needed
4. Development of a 504 Plan with appropriate accommodations

Quick Decision Guide

An IEP is appropriate when:

• The student has one of the 13 IDEA disability categories
• The disability significantly impacts educational performance
• The student needs specialized instruction (not just accommodations)
• Progress data shows the student isn't succeeding with general education alone

A 504 Plan is appropriate when:

• The student has a disability that limits a major life activity
• The student can succeed with accommodations alone
• The student doesn't qualify for (or no longer needs) special education
• The family wants protections but the student is performing at grade level

Need Help Writing IEP Documents?

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Want more IEP resources? Check out our PLAAFP Writing Guide and 50 IEP Goal Examples.