What child-literacy research actually says about writing at ages 4-9 - and why the range of normal is far wider than school corridors make it feel.
Is my child on track?
Every parent wonders. Here’s what child-literacy research actually says about writing at each age — and why the range of “normal” is far wider than school corridors make it feel.
Marks that mean something
Squiggles become letters; their own name usually arrives first. Children the same age can be a year or more apart here — all of it healthy.
D Y L A N
Invented spelling in full bloom
"becos", "frend", "wot" — this isn't wrong spelling, it's phonics working out loud. Simple words grow into short sentences somewhere in this band, at each child's own pace.
i lik it becos it is fun
Sentences with adventures in them
Longer sentences, braver word choices, punctuation settling in gradually. Confidence first — conventions follow.
My dragon was brave becaus he had to be.
The honest truth about the numbers
Children know far more words than they write. A six-year-old typically speaks around 2,600 words and understands over 20,000 — but writes only a small slice of that, because spelling is the bottleneck, not vocabulary.
Healthy children differ enormously. Same-age children routinely differ by double or more on any vocabulary measure. A quiet month or a slow start says almost nothing on its own.
That's why we never rank children. KindyWords measures your child against one person only: themselves, last month.
What actually helps (per the research)
- Let them write freely — the confidence to try matters more than correctness right now.
- Resist correcting every spelling — experts are unanimous on this one; invented spelling is progress, not error.
- Celebrate the writing, not the accuracy — which is, not coincidentally, exactly how the KindyWords mentor works.