← The TCEC EditGCSE · 5 minute read

My child works hard, so why won't their grades move?

When effort goes up and marks stay flat, it's almost never laziness. Here's what's usually going on, and what to do about it.

Mrs Bukky Ekine-OgunlanaHead of Tuition ·
A teenage girl looking worried at a test paper while her mother looks on

In short: Grades stall when revision goes on topics your child already knows, while a few hidden gaps keep costing marks across the paper. Find those gaps first, and effort starts turning into marks.

It isn't effort

If your child is revising, doing homework and still coming home with the same grade, it's tempting to think they need to try harder. Usually they don't. They need to try differently. Effort only turns into marks when it goes on the right things.

Revision feels good on the topics they know

Most children revise what they're already comfortable with, because it feels productive. Flicking through notes on a topic they understand gives a sense of progress. The topics that actually cost marks feel uncomfortable, so they get skipped.

Effort only turns into marks when it goes on the right things.Mrs Bukky

One gap costs marks everywhere

Maths in particular builds on itself. A shaky understanding of fractions doesn't just lose marks on fraction questions. It shows up again in ratio, in algebra, in probability and in percentages. One gap can quietly cost marks right across a paper.

What to do instead

  • Look at the last test or mock paper together and mark which questions lost marks.
  • Group them by topic. You'll usually find two or three topics doing most of the damage.
  • Spend the next two weeks on those topics only, in short sessions.
  • Then test again on just those topics, so your child can see the change.

This is exactly why we start every child with a diagnostic check. It finds the gaps nobody has spotted, so lessons go straight to what's holding marks back.

Want to know exactly which topics to work on?

Our free check, done by your child online, shows you where the gaps are.

See where your child is

Questions parents ask

How do I know which topics are the problem?

Use a recent test or mock paper. The questions that lost marks point to the topics. A diagnostic check does the same thing more thoroughly.

Should my child revise for longer?

Not usually. Shorter, focused sessions on the weak topics work better than longer sessions on everything.

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