The OC test is sat in Year 4, so the preparation window is short — and the children sitting it are young. That makes gentleness the single most important principle. Start early and light, keep it positive, and never let it become a source of stress.
Year 3 — foundations
At this stage, forget the test entirely. The best groundwork is broad and barely feels like preparation:
- A daily reading habit across different kinds of books, talked about together.
- Strong number sense — playing with numbers, patterns and everyday maths.
- Plenty of puzzles and curiosity that exercise reasoning for its own sake.
Children who read widely and enjoy thinking are quietly building exactly what the OC test draws on, with none of the pressure.
Early Year 4 — gentle test-style practice
This is when you can ease in light, test-style practice — short timed exercises and a first, low-key look at the on-screen format so it isn’t strange on the day. The goal is familiarity and confidence, not coverage. Keep sessions short and frequent, and stop while the child is still enjoying it.
A structured, age-appropriate program such as OC Mastery can give this stretch a gentle shape, and realistic OC practice tests build comfort with the timing and the longer sit.
Keep it short, keep it positive
For a nine- or ten-year-old, less is more. Watch for signs the load is too much — dread, tears, fading enjoyment — and dial back if you see them. Realistic practice and gentle feedback genuinely help at this age, but quality matters far more than volume: the aim is a confident, curious child, not a drilled one.
A calm runway
Build the foundations in Year 3, ease into the format in early Year 4, and protect your child’s love of learning the whole way through. Try some free OC practice tests first before deciding whether to do more — for a young child, a calm, well-rested mind beats an exhausted, over-prepared one every time.