Manifestation Determination in NSW: Was Your Child's Behaviour a Result of Their Disability?

In the United States, federal law requires something called a "manifestation determination" review any time a school considers removing a student with a disability for more than 10 school days. The school team must formally assess: was the behaviour directly caused by the disability, or by the school's failure to implement the IEP? If yes, the student cannot be disciplined in the same way as a non-disabled student.

NSW doesn't use this terminology. There is no formal manifestation determination process mandated by NSW or federal Australian law. But the underlying principle — that a student with a disability cannot be punished for behaviour that is a direct result of that disability — is very much embedded in Australian law. Parents just have to know where to find it.

The Australian Legal Basis

The Disability Discrimination Act 1992 (DDA) prohibits educational institutions from treating students with disabilities less favourably because of their disability. This includes indirect discrimination — applying a rule or practice that disproportionately disadvantages students with disabilities and cannot be justified as reasonable.

A suspension policy that results in students with disabilities being suspended at dramatically higher rates than their peers — because their disability-related behaviour is treated as a disciplinary problem rather than an educational need — is potentially indirect discrimination under the DDA.

The Disability Standards for Education 2005 (DSE 2005) goes further. It requires schools to make reasonable adjustments so that students with disabilities can participate in education on the same basis as students without disabilities. If a student is repeatedly excluded because the school has not made adequate environmental, instructional, or behavioural adjustments, the question becomes: has the school met its DSE 2005 obligation to provide those adjustments?

The NSW Suspension Data

This is not a theoretical concern. In 2023, students identified as receiving disability adjustments accounted for 47.9% of all public school suspensions in NSW. That is a majority of suspensions attributable to a group that represents roughly one in four students. The NSW Department of Education has acknowledged this as indicative of a systemic failure.

Parliamentary inquiries have documented cases of five-year-olds being suspended for behaviour directly linked to undiagnosed or newly diagnosed disabilities — ADHD, autism, anxiety — where the school lacked the SLSO support to manage the classroom environment appropriately. The child's disability becomes the parent's disciplinary problem.

This is the factual context in which NSW's version of manifestation determination operates: not a formal review mandated by law, but a question parents must force the school to confront.

How to Raise the Manifestation Question in NSW

When your child is suspended or at risk of suspension, here is the practical sequence:

Step 1: Establish the connection between disability and behaviour. If your child has a formal diagnosis, gather documentation (paediatrician reports, psychological assessments, ILP) that describes the behavioural manifestations of the disability. For ADHD: impulsivity, poor inhibitory control. For ASD: difficulty with transitions, sensory overload. For anxiety: freeze responses, avoidance behaviours, school refusal.

Step 2: Document the school's failure to provide adjustments. Review the ILP. Were the agreed adjustments actually implemented? Was the trigger environment — a noisy lunchroom, an unstructured transition period — one the school had been asked to modify? A student suspended for running from the classroom may have had a sensory break plan in the ILP that was never enforced.

Step 3: Write to the school before the suspension is implemented. Use specific DSE 2005 language: "I believe this behaviour is a direct manifestation of my child's [diagnosis]. Under Section 3.7 of the Disability Standards for Education 2005, the school has an obligation to provide reasonable adjustments to enable [child's name] to participate in education on the same basis as their peers. I am requesting an urgent review of the existing behaviour support strategies before this suspension is enforced."

Step 4: Request an urgent ILP meeting. The DSE 2005's consultation obligation means the school must engage with you in the development of responses to your child's needs. An urgent ILP review — attended by the Learning and Support Teacher, school counsellor, and principal — should be triggered by any suspension event.

Step 5: Escalate if the suspension proceeds without appropriate review. If the school suspends the student without considering the disability-behaviour connection, the escalation pathway runs from the principal to the Director of Educational Leadership (DEL) at the regional office. In cases of clear DSE 2005 breach, complaints to Anti-Discrimination NSW or the Australian Human Rights Commission are available.

What the School Must Not Do

Under DSE 2005 and DDA principles:

• Schools cannot use suspension as the primary response to behaviour that is a manifestation of an unaddressed disability
• Schools cannot cite "insufficient funding" as a reason not to provide adjustments — budget constraints do not negate the legal obligation
• Schools cannot refuse to consult with parents about the link between disability and behaviour
• Schools cannot impose exclusion conditions (like requiring a parent to sit with the child in school all day) that effectively amount to an unlawful education restriction

What schools can do is manage serious safety risks — and genuine safety emergencies are treated differently. The question is whether what looks like a "safety issue" is actually an unmet need that appropriate adjustments would address.

The Behaviour Support Plan as the Formal Response

The NSW equivalent of the IEP amendment required after a US manifestation determination is a substantive update to the Behaviour Support Plan (BSP) within the ILP. Following any significant suspension event, parents should request that the ILP meeting formally addresses:

• What triggered the behaviour (antecedent analysis)
• Whether existing adjustments were implemented
• What new or modified adjustments are needed
• What professional support (SLSO time, behaviour specialist assessment, school counsellor involvement) will be deployed
• What the response plan is for the next incident

Get this in writing, with named personnel and timelines.

International Comparison

US: IDEA mandates a formal Manifestation Determination Review (MDR) within 10 days of a suspension exceeding 10 school days. The team must review the IEP and all relevant information to determine if the behaviour was caused by the disability or the school's failure to implement the IEP. If yes, the student must be returned to the placement and the IEP amended.

UK: While there is no formal MDR, schools in England must consider whether a student's exclusion is related to their SEND needs, and the SEND Code of Practice strongly advises governing bodies to take this into account. The SEND Tribunal has upheld complaints where exclusions failed to account for disability.

Canada: Provinces vary. In Ontario, the Code of Conduct exemptions for behaviour related to disability are strongest for students with IEPs; schools must consider whether the behaviour is a manifestation of the exceptionality before imposing suspension.

NSW: The obligation exists in the DDA and DSE 2005, but enforcement is entirely complaint-driven. Parents must invoke it. The NSW Disability Support Blueprint includes the specific correspondence templates for challenging suspension decisions linked to disability, with references to the applicable legal provisions.

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