"We moved countries and our child is behind" — here's what's actually going on.

The phone call is always some version of the same thing. A family has moved — Dubai to Perth, London to Singapore, an IB school to a national system — and within a few weeks the new school has flagged that their child is "working below standard." The parents are blindsided. The same child was doing fine, sometimes thriving, three months ago. Now they're behind. What happened?

In most of these cases, nothing happened to the child. What changed is the order in which things are taught.

Curricula teach the same things — in a different sequence

It's tempting to imagine that "Year 5 maths" or "Grade 6 English" means roughly the same thing everywhere. It doesn't. Every system covers a similar body of knowledge by the end of schooling, but each one sequences that knowledge differently across the years. A topic introduced in Year 5 under one curriculum might not appear until Year 6 under another — and vice versa.

So when a child moves mid-stream, two things happen at once. They arrive having been taught some things earlier than their new classmates — and not yet taught some things their new class covered last year. To the new teacher, only the second half is visible. The child looks like they have gaps, because in that classroom, on that day, they do. But they're not gaps in ability or effort. They're sequencing artifacts — the predictable result of stepping from one timeline onto another.

Here's a simplified illustration of how the same content lands in different years across systems. The exact placements shift by edition and school, but the pattern is real:

Concept	Typically introduced…
Formal long division	Earlier in some national systems than in inquiry-led ones like IB PYP
Operations with fractions	Spread across different years in ACARA vs Common Core
Explicit grammar & sentence structure	Heavier and earlier in Cambridge than in some Australian classrooms
Persuasive & analytical writing	Emphasised at different stages across all four systems

A child who moves from a system that front-loaded grammar into one that front-loaded extended writing will look "behind" on writing and "ahead" on grammar. Neither is the full picture. Both are just timing.

The danger isn't the gap. It's that nobody stops to ask whether the gap is real — and the child gets a label that follows them.

But some gaps are real — and that's the part that matters

Here's where I want to be honest, because the reassuring version of this article would stop at "don't worry, it's just sequencing." That's not true either. Moving schools is disruptive. Children miss content in the handover. Different teaching approaches suit different learners. Sometimes a real gap was there before the move and the disruption simply exposed it.

So you actually have two completely different situations that look identical on a report card:

Situation A — Not yet taughtThe child can learn the material quickly because the foundation is already there. They just haven't met this particular topic yet. A few targeted sessions and they're caught up — often ahead, because they bring strengths the new class doesn't have.

Situation B — Taught but not learnedThe child met the material before but a genuine underlying gap is blocking it — a missing prerequisite skill further down the chain. No amount of re-teaching this topic will stick until the thing underneath it is fixed.

These demand opposite responses. Situation A needs a short, confidence-building catch-up. Situation B needs you to go backwards to find the real blockage before going forwards. Treat A like B and you bore and demoralise a capable child. Treat B like A and you paper over a crack that widens every year.

This is exactly why generic "homework help" fails relocated families. It assumes the visible topic is the problem. Often it isn't.

Why this is most dangerous in upper primary

If your child is in the upper-primary-to-early-secondary band — roughly Years 5 to 7 — the stakes are higher than at any other point. This is when foundational skills stop being taught explicitly and start being assumed. Multiplicative thinking, proportional reasoning, inference in reading — these become the silent prerequisites for everything that follows. A gap that's invisible and easily fixed in Year 5 becomes the reason algebra "doesn't make sense" in Year 8.

It's also the worst possible moment to be mislabelled. A child who arrives mid-move, gets tagged as "behind," and internalises that label right as the work gets more abstract can lose confidence that takes years to rebuild. The label does more damage than the gap.

What to actually do

Three steps, in order, before you commit to anything:

1. Ask the school a sharper question. "Is my child behind?" gets you a yes or no. Instead ask: "Which specific skills or strands is my child missing relative to where this class is, and which of those were covered before they arrived?" A good teacher will engage with that. The answer tells you how much is sequencing versus substance.

2. Get a real diagnostic, not a grade. A report says "below standard." A diagnostic says which sub-skills, in which strands, and how they connect. That's the difference between a verdict and a map. You can't act on a verdict. You can act on a map. (More on this in how to read a diagnostic report properly.)

3. Don't tutor everything. The instinct after a move is to throw a wide net — maths, English, the lot — out of anxiety. Resist it. Find the two or three real gaps, fix those, and let the sequencing artifacts resolve on their own as your child re-syncs with the new timeline. Targeted beats broad every time, and it costs you far less.

The reframe that helps

Your globally mobile child isn't behind. They're carrying a different map than the one their new school is reading from. Some of the territory overlaps, some doesn't yet, and a small amount may genuinely need filling in. The work isn't to drill them back into line. It's to find — precisely — the few places where the maps don't match, and close only those.

Do that well and the move stops being a setback. It becomes what it actually is: a child who's seen more curricula than most, with a couple of gaps worth a few focused weeks of an expert's attention.