Two kids, same home, same amount of exposure — and somehow, wildly different comfort levels in the family’s home language. It’s more common than it looks from the outside.
Birth order alone can explain a lot of it. A firstborn often gets more one-on-one time in the home language before a sibling arrives to split that attention. Once there are two kids, they tend to default to talking to each other in whichever language is strongest between them — often the language of school and friends — which quietly shrinks everyone’s exposure to the other one.
It's rarely about ability. It's almost always about how much of each language actually gets used, day to day.
Reading aloud together is one of the few activities that naturally works for a mixed-level group, because a picture book doesn’t demand the same thing from every listener. The older child might be quietly noticing grammar and more complex vocabulary; the younger one is just as happy following the pictures and repeating a favorite phrase. Nobody has to be “at the right level” for the book to be worth reading.
- Let the older sibling "read" simple pages aloud to the younger one — it reinforces their own skills while modeling the language
- Ask different questions to each child, pitched to where they actually are
- Don't correct a sibling's language in front of the other — it tends to make both kids self-conscious
- Keep some one-on-one reading time with the sibling who's behind, even just a few minutes
There’s no need to force siblings to speak the weaker language to each other — that rarely goes well and can turn a fun activity into a source of friction. What actually moves the needle is more exposure, delivered without pressure: reading together as a family, at whatever level each child is genuinely at, keeps the language alive for both of them without turning it into a competition.
A collection of my own reflections on raising bilingual kids abroad — without the pressure to get it perfect.