California Extended School Year (ESY) and Special Education Transition

What ESY Means for Transition-Age Students

Extended School Year (ESY) services provide instruction and support during summer breaks (or intersession periods for year-round schools) to prevent regression — the loss of skills that some students with disabilities experience during extended gaps in instruction.

For transition-age students (16–22), ESY isn't just about maintaining academic skills. It's about preserving the vocational, independent living, and community access skills that the transition IEP is building. A student learning to navigate public transit or manage a work schedule can lose those gains during a three-month break just as easily as a younger student loses reading fluency.

ESY Eligibility Criteria in California

ESY eligibility is an IEP team decision, not an automatic entitlement. Under California Education Code § 56345 and federal regulations (34 CFR § 300.106), the team considers whether the student is likely to experience substantial regression that cannot be recouped within a reasonable time after services resume.

Factors the IEP team must consider:

• Evidence of regression after previous breaks (data from the start and end of school years)
• The severity of the disability
• The nature of the skills at risk — emerging or critical skills are more vulnerable to regression
• The student's rate of recoupment (how long it took to regain lost skills after previous breaks)
• Whether the student is at a breakthrough point in a critical skill area

What ESY services look like for transition students:

• Continued participation in community-based vocational training
• Independent living skills instruction (cooking, transportation, budgeting)
• Maintenance of social skills and community access routines
• Summer employment support through DOR Pre-ETS or school-based programs

ESY is not simply "summer school." The IEP team designs ESY services specifically to address the skills most at risk of regression, and the scope of services can differ significantly from the regular school year program.

Year-Round Schools and the Age-22 Exit

California's age-22 exit rules under Ed. Code § 56026(c)(4) interact with ESY and year-round calendars in ways that catch families off guard.

Traditional calendar students whose 22nd birthday falls in January through June can continue through the end of the fiscal year (June 30), including any ESY program. This means a student with an April birthday could participate in that summer's ESY services before their eligibility ends.

Year-round calendar students get an important exception: if the student's 22nd birthday falls in July, August, or September, they can complete the school term they're currently in — even if that term extends into the next fiscal year. On a traditional calendar, a July birthday means the student exits June 30 and doesn't return. On a year-round calendar with a track that runs through July, the student may continue.

October through December birthdays: Eligibility terminates December 31, but if the IEP explicitly allows the student to continue and they are on track to complete IEP requirements by the end of the current fiscal year (June 30), they may continue through June. This extension can include ESY services if the IEP team determines they're needed for the student to meet their goals.

Protecting ESY Rights During Transition

Districts sometimes resist offering ESY to transition-age students, arguing that vocational and independent living skills don't regress the way academic skills do. This is factually wrong and legally unsupported — the eligibility criteria apply to all IEP goals, not just academic ones.

If the IEP team denies ESY and you believe your child qualifies:

1. Request the denial in writing through a Prior Written Notice (PWN)
2. Ask the team to document what evidence they used to determine that regression was unlikely
3. Provide your own evidence — logs showing skill regression after previous breaks, employer feedback showing performance drops after time off, therapist observations
4. If the dispute isn't resolved at the IEP table, file a compliance complaint or request mediation

For students approaching the age-22 exit, ESY can represent the final months of school-funded services. Losing an ESY summer means losing transition skill-building time that the Regional Center won't replace — the school district is the responsible provider until the student exits, and ESY hours don't transfer to adult services.

The California IEP Transition to Adulthood Guide includes the California Exit Date Worksheet, which walks through the birthday-month rules for both traditional and year-round calendars — so you can calculate your child's exact exit date and determine whether ESY services are available in their final year.

See more California guides →