Evidence that persuades: gathering the reports and assessments that strengthen a case
Scott Mackey
· 6 min read
The SEND system responds to evidence. Knowing which kinds of evidence carry weight, and assembling them steadily rather than in a panic, is one of the most practically useful things a parent can learn.
How would you prove it?
Not describe it. Prove it. Sit a stranger down, somebody who has never met your child and never will, give them an hour and a folder, and have them come out the other side agreeing with you about what your child needs and why the current offer does not meet it.
That is the actual task. It is not the task most of us think we are being asked to do, which is why so many parents arrive at a meeting or a hearing with a head full of everything they know and a folder with very little in it.
Whatever stage you are at, whether you are trying to secure a plan, improve one, or challenge a decision, the same truth sits underneath. A well evidenced case is a strong case. A thinly evidenced one struggles, however genuine the need behind it and however articulate the parent presenting it.
That can feel deeply unfair. You know your child better than any professional in the room. Surely your word should be enough?
It is not, and it is worth understanding why rather than simply resenting it. Your lived experience is real and it should be heard. On its own, though, it can be set aside as subjective, and once it has been set aside there is nothing left to argue with. Evidence translates what you know into a form the system recognises and finds much harder to dismiss: professional opinion, formal assessment, documented observation, objective record.
That is not a criticism of your knowledge. It is a description of how the decisions actually get made. The aim is to back your account of your child’s needs with material that corroborates it, so that what you know to be true is also demonstrably true in the terms the system uses.
What actually counts, and what makes it land
Persuasive evidence in SEND matters tends to come from a handful of places, and a strong case almost always draws on more than one of them.
Professional assessments and reports come first: educational psychologists, therapists, medical professionals, specialists who have assessed your child directly. Alongside those sit documented observations of how your child functions in different settings, school and home included, because the difference between the two is frequently the whole point. Then there are records showing patterns over time rather than isolated snapshots, progress or the absence of it measured against what was expected. And finally your own carefully kept records, which supply the timeline and the daily reality that a professional report, written after a couple of hours in a room, cannot capture.
One caution on the patterns. A single bad week proves nothing to anybody, and a single good week can be used against you, which is why families are so often told their child “presents well” on the day somebody happened to visit. Records kept over months are what stop a case being decided by whichever snapshot was taken most recently.
It is the combination that convinces. Independent professional opinion, corroborated by observation and record, telling one consistent story.
Now the part that separates a folder that works from a folder that does not. Specificity.
Just as provision in a plan should be specific, so should the evidence behind it. A statement that a child “struggles” or “needs support” carries very little weight, because it can be met with almost anything and still be technically satisfied. A precise description of what the difficulty is, how it shows itself, how often, and what is required to address it, is a different object altogether.
So when you gather or commission evidence, push for the concrete. A report that quantifies a need and specifies what is required to meet it gives you something to build provision around, and something to hold people to later. A report full of warm generalities, however sympathetic its author plainly was, is very hard to act on. Specificity is persuasive because specificity is enforceable.
There is also the question of independent evidence, which comes up more often than families expect.
Sometimes the material available through the standard process does not, in your view, capture your child’s needs properly. Families in that position sometimes obtain independent professional assessments to strengthen the case, and where there is genuine disagreement about the level or nature of need, that can matter a great deal.
I am not going to pretend this is simple or free. It is neither, and whether it is the right step depends entirely on your circumstances. What is worth knowing is that the evidence base for your child’s needs is not limited to whatever the authority happens to have produced, and that additional independent opinion can carry real weight where it is warranted.
Build the case before you need it
Everything above depends on one unglamorous discipline, which is preparation.
The strongest evidence base is assembled steadily, over years, in ordinary weeks when nothing is going wrong. It is not scrambled together in the fortnight before a deadline, when half the reports are in a drawer somewhere and the email you need is in an account you no longer use.
Keep the reports. Note the observations. Maintain the records. Build the picture as you go, and put it all in one place.
One place. That last instruction sounds trivial and it is the one people skip. Reports arrive by post and by email and through a portal, over a span of years, from six different organisations, and unless somebody is deliberately collecting them into a single file they end up distributed across a house and three inboxes. Ask any parent who has tried to reconstruct a chronology at short notice how that goes.
I am aware how tedious that advice is. I would still rather give you tedious advice that works than encouraging advice that does not.
Because when the moment arrives, at a review, in a dispute, at any of the points where the outcome turns on how well the need is evidenced, the prepared family is drawing on a consistent and well documented body of material. The unprepared family is hoping that their account alone will carry the day, in a forum that has already heard a great many accounts.
Now the honest part.
We went through this ourselves. I had the vocabulary, I had professional contacts, I understood how paperwork behaves and I had decent systems for keeping it. I still found the process one of the most stressful things I have ever done. The volume of it, the repetition, the sense of assembling a case about your own child as though they were a matter in dispute rather than a person you love.
And that is what I cannot get past. If it was that hard with those advantages, what is it like without them? No professional network. No confidence with formal letters. A job that does not permit phone calls at eleven in the morning, or English as a second language, or no money for an independent assessment and no idea that such a thing exists. Some of those families must reach the point of despair, and I do not think that is an overstatement. There is not enough support out there for SEND families, and I will keep saying so.
So take whatever help you can get. Charities, specialist advisers, other parents who have done it. A second set of eyes on a folder is worth a great deal when you are far too close to it to see what is missing.
Which brings us back to the stranger with the hour and the folder. They are not hostile. They are not on your side either. They have your child’s file, a limited amount of time, and no way of knowing anything you have not put in front of them.
Your job is to make sure that what they are holding tells the whole story. Start filling it now, while nothing is urgent.
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Written by
Scott Mackey
Founder of Legacy Capital Management, a St. James’s Place Partner Practice in Stoke Poges. Advises families, business owners and professionals across Buckinghamshire, Berkshire and Oxfordshire.
More about Scott →This article is general information drawn from professional and personal experience, not legal advice. For disputes and tribunals, a specialist SEND adviser can tell you which evidence will matter most in your particular case.
Legacy Capital Management is an Appointed Representative of and represents only St. James’s Place Wealth Management plc (which is authorised and regulated by the Financial Conduct Authority) for the purpose of advising solely on the Group’s wealth management products and services, more details of which are set out on the Group’s website at www.sjp.co.uk/products.
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