IEP Transition Plan California

When Transition Planning Must Start

Under Assembly Bill 438, effective July 1, 2025, California school districts must begin formal transition planning within the IEP by the start of high school or age 14, whichever comes first. This lowered the previous federal threshold of age 16 by two full years, giving families significantly more time to coordinate school services with adult agency programs.

Transition planning at 14 doesn't mean the student starts accessing adult services. It means the IEP begins incorporating measurable post-secondary goals — what the student will do after school in terms of education, employment, and independent living — and the team identifies the transition services and activities needed to reach those goals.

By age 16, the IEP must include a formal Individual Transition Plan documenting specific agencies (regional center, Department of Rehabilitation, county social services) that will be invited to the IEP meeting and what role each plays in the transition. The earlier AB 438 start gives teams two additional years to build these relationships before the agency coordination becomes critical.

The Ed Code 56026 Age-Out Rules

California Education Code Section 56026 determines exactly when special education eligibility ends. The headline rule: students with active IEPs who have not graduated with a regular high school diploma can receive special education services until their 22nd birthday. But the exact exit date depends on when that birthday falls:

A student born in March who turns 22 in March 2027 can stay through June 30, 2027. A student born in November who turns 22 in November 2027 exits December 31, 2027. This difference of months can matter enormously when the regional center needs to activate adult services on the other side.

The Diploma Distinction

Receiving a regular high school diploma immediately terminates all rights to special education and transition services. Once the diploma is conferred, the district has no obligation to provide further services — even if the student is under 22.

A Certificate of Completion or alternative pathway completion does not trigger this termination. Students who exit with a certificate remain fully eligible for specialized transition services through adult transition programs until they age out.

This distinction drives a critical planning conversation between families and the IEP team: is pursuing the regular diploma the right goal for this student, or does staying in the transition program through age 22 — accessing job training, community-based instruction, independent living skills, and supported employment — provide more long-term value?

The decision is individual. For some students, the diploma opens doors to community college or vocational programs that don't require an IEP. For others, losing four additional years of school-based transition services in exchange for a diploma certificate creates a gap that adult agencies can't immediately fill.

The Summary of Performance

When a student exits the school system — whether by diploma, certificate, or aging out — the district must provide a Summary of Performance. This document outlines academic achievements, functional performance levels, and specific recommendations for meeting post-secondary goals.

The SOP matters more than most families realize. Adult agencies rely on it:

• Regional centers use the SOP to inform the Individual Program Plan, since the Lanterman Act's payor-of-last-resort mandate requires documentation that school services have ended before the center funds adult equivalents
• The Department of Rehabilitation uses it alongside psychoeducational evaluations to determine eligibility for vocational rehabilitation services and the Individualized Plan for Employment
• Employers and vocational training programs reference it for understanding the individual's accommodations and support needs

A weak SOP — vague, generic, missing functional detail — undercuts the adult agencies' ability to design appropriate services. Families should review the SOP draft before the exit IEP meeting and request revisions if it doesn't accurately describe the student's actual support needs and work-related functional limitations.

The IEP-to-IPP Handoff

The most dangerous gap in the transition happens between the last day of school services and the first day of regional center adult programming. The gap exists because the school system and the regional center operate under different laws, different funding streams, and different timelines.

The regional center's payor-of-last-resort rule means it cannot fund adult day programs, supported employment, or community integration services while the student is still legally entitled to receive those services from the school district. The school district's obligation ends on the date determined by Ed Code 56026. If the regional center hasn't authorized and activated adult services to begin the day after the school exit date, the individual sits at home with nothing.

To prevent this gap:

1. Invite the regional center service coordinator to the IEP transition meeting at least 12 months before the projected school exit date
2. Schedule an IPP meeting to coincide with the exit IEP, so the IPP can authorize adult services with a start date matching the school exit
3. Identify specific adult programs — not categories, but actual providers with confirmed capacity. A day program authorization that can't be staffed for six months is an authorization on paper, not a service
4. Invite the DOR counselor to coordinate the Individualized Plan for Employment with the exit timeline, especially if supported employment is a post-school goal
5. Request the SOP draft at least two months before exit, so there's time for revisions before the final IEP meeting

The Transfer of Rights at 18

One more structural shift that complicates transition planning: when the student turns 18, educational rights transfer from the parent to the student under California law. The school must notify both the student and parent of this transfer at least one year before the 18th birthday.

After 18, the student — not the parent — signs the IEP, consents to evaluations, and makes educational decisions. If the student cannot meaningfully participate in these decisions due to cognitive disability, the family may need to pursue a Limited Conservatorship to maintain decision-making authority, or establish a Supported Decision-Making Agreement.

This rights transfer happens independently of the SSI redetermination and Medi-Cal transitions that are also occurring at 18. Coordinating all three — educational rights, income benefits, and health coverage — simultaneously is what makes the 18th birthday the most operationally complex milestone in the entire transition.

For the complete coordination timeline and worksheets covering the IEP exit, IPP handoff, SSI redetermination, and Medi-Cal transition, see our California SSI at 18 & Adult Disability Benefits Guide.

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