Russell Greenhill
By Russell Greenhill
Founder & CEO @ Greenhill Academics
Oxford Master’s Graduate • 8+ Years Tutoring Experience

A grade 9 in August. A shaky C by Christmas. Nothing about your child changed in between, and yet they’re now saying they’re not clever enough for this, and you’ve no idea what to say back. Almost every parent who calls us about an A Level Maths tutor is somewhere on this timeline, usually around November, holding a mock nobody can explain.

So here’s the timeline. It’s the same one nearly every time, and if you know what’s coming you can step in before December instead of after it.

The short version

The slide from grade 9 to a C runs on a predictable timetable. Most families spot it in December. October is much cheaper.

September: it all still works

The first few weeks are fine, and that’s the trap. Early Year 12 revisits ground your child already owns, so the old method still pays. Recognise the question type, apply the method, collect the points. It’s exactly what earned the grade 9, and it’s still working, so nobody has any reason to worry.

Underneath, something has already gone wrong. The pace has roughly doubled and nobody announced it. A topic that took two weeks at GCSE now takes three lessons, and if your child half-understood it, the class has moved on before they noticed.

October: the first bad test

Now the questions stop announcing themselves. A Level papers are built so the method isn’t obvious, because choosing the method is the thing being tested. Your child reads a question, doesn’t recognise it, and stops.

Not because it’s too hard. Because being stuck is completely unfamiliar. At GCSE they were never stuck, so nobody ever taught them what to do in the first sixty seconds of not knowing. They’ve no procedure for it, and a blank page feels like a verdict.

The mark comes back at 48%. Your child says the test was unfair. Their teacher says they need to do more practice questions. Both are wrong, and you now have about six weeks.

November: the story they start telling themselves

This is the dangerous month, and it has nothing to do with maths.

Your child has now had two or three bad tests in a subject where they’ve never had one. Everyone else in the room looks fine, because everyone else is also hiding it. So they reach the only explanation available to them: they’ve hit their limit. They’re not a maths person after all. It was fun while it lasted.

Students tell us a version of the same thing again and again: they never had to struggle before, and the step up this year caught them completely off guard.

What we hear in first sessions, over and over

They aren’t being modest and they aren’t making excuses. They’re describing something real that almost nobody warns families about. It hits hardest in the top set, because the top set moves fastest and nobody in it wants to be the one who asks.

December: the mock, and what it hides

The mock confirms everything they feared. Now here’s the part that matters, and it’s the reason a good A Level Maths tutor doesn’t start with revision.

When we take a Year 12 apart in December, the damage almost never spreads across the syllabus. It traces back to one or two things. Usually a topic in late September that was never solid, with three more built on top of it. And very often, underneath that, something duller: they can’t reliably rearrange an equation.

That’s it. Not a knowledge gap across four modules. One cracked foundation, and a maths skill everybody assumed was already there. Safa, one of our Year 12s, improved by two grades after three lessons that were purely about rearranging. Her name is invented and her story mixes several students we’ve taught; the improvement is real. Nothing else changed. The ceiling had never been the maths she was being taught. It was the maths she was assumed to have.

Where to step in, and what it costs you to wait

October is the cheap moment. One cracked topic, caught early, is two lessons. The same crack found in February has four topics stacked on it and a child who’s decided they’re stupid, and now you’re fixing confidence as well as content, which takes far longer.

Don’t buy more practice questions. Practice makes a method faster. It does nothing for a student who can’t choose a method, and doing forty questions badly just rehearses the panic. If things have already gone further than this, we’re honest about that too in our piece on a child who’s failing maths.

Watch what they do when they’re stuck, not what they score. A student who reads a question, doesn’t recognise it and stops is telling you something a mark never will. The whole transition is worth understanding before it lands, and we set it out in our guide to the GCSE to A Level maths step.

What we’d do in the first hour

We give your child a question slightly beyond them, deliberately. Then we watch. Not what they answer, but what they do in the sixty seconds after the method fails to arrive, because that’s the whole diagnosis and a marked paper can’t show it to you.

Then we check the plumbing. Rearranging, mostly. It’s dull and it’s usually the answer. You get a written note the same evening telling you which topic cracked and when.

Find the crack before it spreads

It’s usually one topic and one skill. Both are fixable in weeks, not years.

Who you’d be working with

Ramsay, A Level Maths tutor

Ramsay

Ramsay took Distinctions in both rounds of the British Mathematical Olympiad and placed in the top forty nationally. Olympiad problems never tell you the method, so coaching a student through the moment of not knowing is second nature to him.

Martin, A Level Maths tutor

Martin

Martin teaches Maths and Further Maths at A Level and has spent years on school entrance exams. That range is the point: he’s taught the missing foundation to eleven year olds, so he spots it fast in a seventeen year old.

Hugh, A Level Maths tutor

Hugh

Hugh has a doctorate from Oxford, a First from Imperial, and over ten years of teaching behind him. More than twenty of his recent students beat their predicted grades. He’ll explain the same idea three ways until one of them lands.

Questions parents ask us

He got a grade 9. How is he failing four months later?

Because a grade 9 can be earned by recognising question types, and A Level hides the question type on purpose. It’s a different skill, and it catches the strongest GCSE students hardest, because they never had to practise being stuck.

We’re already past Christmas. Have we missed the window?

No. It costs more time, but the shape of the problem is the same: one or two cracked topics with everything else stacked on them. Repair those and a surprising amount above them repairs itself.

Should she drop it?

Not on one bad term. Get one honest diagnostic lesson first. A confidence problem and an ability problem look identical from the outside and need opposite responses, and dropping the wrong subject is expensive to undo.

He says he’s just not clever enough. What do I say to that?

That the step is real, that everyone in his class hit it, and that most of them are hiding it too. Being stuck is a skill nobody taught him at GCSE, because at GCSE he never needed it. That’s not the same as a limit.

Would more practice papers help?

Only once he can choose a method. Practice makes a method faster, but a student who can’t pick one is just rehearsing the panic. Fix the choosing first, then the practice pays.

Worth reading next

Improve your child’s maths grade

DON’T WAIT FOR THE MOCK

One cracked topic caught in October is two lessons. Found in February, it’s a term.