What we’re building.

Most maths platforms drill what a child got wrong this week. We find the earlier gap that’s causing it.

Existing platforms are excellent at delivering practice on the topic a child is currently struggling with. But for children in care, that topic is rarely the actual gap — it’s the symptom of another gap, left by disruptions to their schooling months or years earlier. STEMeUp is built to find that earlier gap, fill it, and unlock what they’re ready to learn next.

Symptom vs root cause

Visible symptom The student can't solve equations Engine traces back 2 steps upstream Linear equations Algebra Negatives Fractions Number Grade 5+ Root Gap True cause of the struggles with linear equations Understood Root Gap Blocked By Gap Goal Number Fractions Negatives Algebra Linear equations Grade 5+ Visible symptom The student can't solve equations Root Gap True cause of the struggles with linear equations
Understood Root Gap Blocked By Gap Goal

Imagine a Year 10 student stuck on a linear equation. The teacher sees “struggling with algebra” and assigns more practice. But that’s not where the problem started. Eighteen months ago the student changed placements and missed a couple of weeks on negative numbers — and every equation since has been tripping over that same gap, without anyone catching it. More algebra won’t help. What helps is finding the thing underneath the algebra.

That’s what our engine does. It works backwards from where a student is visibly stuck to the earlier gap that’s actually causing it, so we can fix the real problem instead of drilling the symptom.

The learner journey

Finding one gap is just the start. From there, the platform keeps working out what a student knows, what they don’t yet, and what they’re ready to learn next based on what they already understand. Each concept they master opens up the ones that build on it, so there’s always a sensible next step. It carries on like this, concept by concept, adapting as the student goes, until they reach their goal.

Diagnostic

Year 9

Early tutoring

Year 9–10

Later tutoring

Year 10–11

Grade 5+ achieved ✓

Year 11

Gap Being Assessed Gap Located Mastered

The three things that make it work.

01

An AI tutor that adapts to the moment.

Across the three-year window from Year 9 to GCSE, we’re building a tutor that adjusts mode and difficulty to the learner — teaching a concept, asking the learner to teach it back, or offering an easy win when the right move is to rebuild confidence before pushing on. Every mathematical output is checked for accuracy before it reaches a child.

02

A knowledge-gap mapping engine.

GCSE Maths is a web of connected concepts, each one resting on those below it. We map every learner precisely onto that web — concept by concept — so when a child gets stuck, we can tell the difference between a topic they haven’t met yet, one they’re actively struggling with, and one whose root cause sits several steps upstream.

03

A data layer that works for everyone.

We’re building the platform around what works for the people supporting the child. An up-to-date picture of each learner’s engagement, time on task, progress, and gaps — written in language that drops straight into PEP meetings, statutory reporting, and Ofsted evidence. Only three clicks away from an individual or cohort-level report. No setup, no extra admin. It’s a resource to use if and when you need it.

Who we’re building this with.

We’re building STEMeUp with the people who’ll use it:

The learner sits at the centre, surrounded by Carer, Designated Teacher, PEP Caseworker, and Virtual School Heads. Virtual School Heads PEP Caseworker Designated Teacher Carer Learner
  • Learners sitting their GCSEs in two or three years’ time, who deserve a fair shot at the grade they’re capable of.
  • Carers whose continuity around the child matters as much as anything the platform does.
  • Designated Teachers who want a clear picture of each child and their areas of need.
  • PEP Caseworkers who want evidence of progress that doesn’t take extra time to assemble.
  • Virtual School Heads who need cohort-level visibility into the incremental progress children make — a granularity that attendance and grades alone cannot offer.

We’re rolling out across the North East first, beginning with Durham, before scaling nationally.

Built to be safe and secure. We’re designing toward UK GDPR and Cyber Essentials compliance, with safeguarding embedded from the start.

Interested in piloting with us?

We’re selecting a small group of schools and local authorities for our first pilot cohort. Get in touch to find out more.

Get in touch

References

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  6. Bastani, H., Bastani, O., Sungu, A., Ge, H., Kabakcı, Ö., & Mariman, R. (2024). Generative AI Can Harm Learning. The Wharton School Research Paper. ssrn.com/abstract=4895486
  7. Kosmyna, N., et al. (2025). Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task. MIT. arxiv.org/abs/2506.08872
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