Prior Written Notice (PWN) Explained — California

What Is Prior Written Notice in a California IEP?

If your child receives special education services in California, you have likely seen a document labeled "Prior Written Notice" — sometimes called a PWN — tucked inside an IEP packet or mailed to you separately. Many parents set it aside without reading it closely. That is completely understandable, but this one document may be the most important piece of paper the school district sends you all year. Understanding prior written notice in a California IEP gives you real power to protect your child's education.

Prior Written Notice is the school district's formal, written explanation of any decision it proposes — or refuses — to make about your child's identification, evaluation, educational placement, or the provision of a Free Appropriate Public Education (FAPE). The right to receive it is guaranteed under federal law at 20 U.S.C. § 1415(b)(3) and (c)(1), and the specific content requirements are spelled out in 34 C.F.R. § 300.503.

Think of it as the district's written record of what they decided, why they decided it, and what you can do if you disagree.

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When Must the District Send You a PWN?

Federal law requires a PWN any time the district proposes or refuses to take action related to your child's special education. In California, this includes — but is not limited to — the following situations:

• Proposing an initial evaluation to determine whether your child qualifies for special education
• Refusing your request for an evaluation
• Proposing a new or revised IEP (including changes to goals, services, placement, or supports)
• Refusing a change you requested at an IEP meeting
• Proposing to exit your child from special education
• Changing your child's placement, such as moving from a general education setting to a more restrictive one (or vice versa)

One timing note that surprises many California parents: when you request an IEP meeting, the district must hold it within 30 calendar days of your request (Cal. Ed. Code § 56343.5). A PWN related to decisions made at that meeting should accompany or follow the meeting promptly — not weeks later.

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What Must a Prior Written Notice Contain?

Under 34 C.F.R. § 300.503, every PWN must include all six of the following elements. If any one is missing, the notice is legally incomplete.

1. A description of the action proposed or refused. What exactly is the district saying yes or no to?
2. An explanation of why the district is proposing or refusing that action.
3. A description of each evaluation procedure, assessment, record, or report the district used to make this decision.
4. A statement that parents have protections under the procedural safeguards of IDEA.
5. Sources for parents to get help understanding special education — such as parent training and information centers.
6. A description of other options the IEP team considered and why those options were rejected.
7. A description of any other factors relevant to the district's proposal or refusal.

Read each PWN against this checklist. A vague one-sentence explanation like "The team determined the current placement is appropriate" does not satisfy the requirement. You are entitled to a substantive, specific explanation.

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Prior Written Notice and California's Evaluation Timelines

PWN is closely tied to evaluation timelines, which California law makes very specific.

• When you request an initial evaluation, the district must provide you with an assessment plan within 15 calendar days (Cal. Ed. Code § 56321(a)). That assessment plan is accompanied by a PWN.
• Once you sign and return the assessment plan, the district has 60 calendar days to complete the evaluation and hold the IEP meeting to review the results (Cal. Ed. Code §§ 56043(f)(1), 56344(a)).
• If the district refuses your evaluation request, it must send you a PWN explaining why. You do not have to accept that refusal — see the "What to Do" section below.

Your right to request an initial evaluation is protected under 20 U.S.C. § 1414(a)(1) and 34 C.F.R. § 300.301. Keep a written record — email or certified letter — of every evaluation request you make, along with the date you made it.

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How to Read a PWN: A Practical Parent Checklist

When a PWN arrives, work through these steps before signing or responding:

• Date-stamp it. The date matters for calculating deadlines and response windows.
• Identify the action. Is the district proposing something new, or refusing something you asked for?
• Check for all six required elements (listed above). If anything is vague or missing, note it specifically.
• Compare it to what was discussed at the IEP meeting. The PWN should accurately reflect what the team decided, not a softened or different version.
• Look at what options were rejected. If you suggested a specific service or placement and the district declined, the PWN should document that and explain the reasoning.
• Request your child's records if you need backup documentation. California law gives you the right to receive those records within 5 business days of your written request (Cal. Ed. Code § 56504).

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What to Do If the PWN Is Incomplete or You Disagree

Receiving a PWN you disagree with — or one that is missing required information — does not mean the decision is final. You have several constructive options:

• Respond in writing. Send the district a letter or email noting which required elements are missing or which statements you believe are inaccurate. This creates a paper trail and often prompts the district to revise or clarify.
• Request another IEP meeting. You have the right to reconvene the team to discuss your concerns. The district must hold that meeting within 30 calendar days of your written request (Cal. Ed. Code § 56343.5).
• Request an Independent Educational Evaluation (IEE). If you disagree with a district evaluation that informed the PWN, you can ask for an IEE at public expense.
• File a state complaint. California's Office of Administrative Hearings handles special education complaints. A state complaint is free and does not require an attorney.
• Request mediation. Both you and the district can request voluntary, confidential mediation through the California Department of Education.
• Consult a special education attorney or advocate. If the stakes are high — for example, a proposed change to a significantly more restrictive placement, or a refusal to evaluate for a suspected disability — an experienced advocate or attorney can help you understand your options before you respond. This article provides educational information, not legal advice.

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FAPE and Why PWN Matters for Your Child's Bigger Picture

Every decision documented in a PWN connects to your child's right to a Free Appropriate Public Education, defined under 20 U.S.C. § 1401(9) and 34 C.F.R. § 300.17 as a special education program specifically designed to meet your child's unique needs — at no cost to you. When the district proposes or refuses something, that decision directly affects whether your child is receiving FAPE.

A thorough, accurate PWN protects both your child and the district. It creates accountability, reduces misunderstandings, and gives you a clear record if you ever need to revisit a decision. Parents who read and respond to PWNs thoughtfully are often the most effective advocates for their children — not because they are adversarial, but because they are informed.

Keep every PWN in a dedicated folder, physical or digital, alongside meeting notes and IEP documents. Over time, this record becomes invaluable.