What does your child score on a full Higher paper, timed?
If recent Higher mocks reliably reach a grade 4, and the marks come from across the paper rather than two lucky questions, Higher is reasonable.
Foundation tier awards grades 1 to 5 and Higher tier grades 4 to 9, with an allowed grade 3 just below. For a student heading for a 4 or 5 either tier can get there, so the real question is which one your child will score better on. Here is how to work that out.
What is ClassArc?
ClassArc is live one-to-one online maths tutoring for school-age children. One teacher and one child, for 55 minutes. The same teacher every week. Classes run inside our own classroom software, not a video call: a shared worksheet you both write on, a shared whiteboard, and answers that sync live.
The short answer
Foundation tier covers grades 1 to 5; Higher tier covers grades 4 to 9. A Higher candidate who narrowly misses grade 4 can be awarded an allowed grade 3, and below that the result is a U. Foundation papers test less content with more accessible questions, but a 5 is the highest grade a Foundation candidate can get.
The school decides the tier, usually during Year 11, and all three papers must be sat at the same tier. The structure is identical on both — three papers of 1 hour 30 minutes, one of them non-calculator — on AQA (8300), Pearson Edexcel (1MA1) and OCR (J560).
For a student likely to finish on a 4 or 5, either tier can deliver it. Which is right depends on where your child will pick up more marks, and that is a question with evidence behind it.
Side by side
| Foundation | Higher | |
|---|---|---|
| Grades available | 1, 2, 3, 4, 5 | 4, 5, 6, 7, 8, 9, plus an allowed 3 |
| Below the lowest grade | U | Allowed grade 3 if just below 4; otherwise U |
| Papers | Three, 1 hour 30 minutes each, one non-calculator | The same |
| Content | The shared core | The shared core plus Higher-only topics |
| Marks needed for a 4 | A high share, because the paper is built for grades 1–5 | A much lower share, earned against harder questions |
The allowed grade 3 is a narrow safety net for candidates a few marks under the grade 4 boundary, not a fallback to plan around. Boundaries change every year and differ by board, so look up last year's for your child's board rather than trusting a rule of thumb.
The overlap
To make a grade 4 mean the same thing on either tier, the boards put common questions on both. The last questions on a Foundation paper and the first on a Higher paper are often the same or very close.
What changes is the proportion of marks each grade needs. A Foundation candidate needs most of the paper to reach a 4 or 5. A Higher candidate needs far fewer marks for a 4, but has to find them among surds, circle theorems and algebraic proof — and spend time on questions they may not be able to start.
Higher only
Most content is shared. These are the topics that appear only on Higher papers; the full tagged list is in our GCSE maths topic checklist.
Choosing
The maths department makes the final call, usually from Year 11 mocks, and entries can normally be amended up to a spring deadline — the exams officer will know the date. You can and should be part of the conversation.
If recent Higher mocks reliably reach a grade 4, and the marks come from across the paper rather than two lucky questions, Higher is reasonable.
A student still unsure with fractions, percentages and linear equations will spend a Higher paper stuck on questions they can't begin, and may leave marks they could have had on Foundation.
Grades 6 to 9 exist only on Higher. If a sixth form wants a 6 or 7 for A-Level Maths, or a course asks for a 6, Higher is the only route.
Some students shrug off the half they can't do. Others lose confidence and rush the rest. The mocks will show which.
Reliably a 5 on Foundation mocks, borderline 3 or 4 on Higher?
Usually better on Foundation. A student reliably scoring a 5 on Higher mocks should stay on Higher.
Worth asking the school: which tier is currently planned, and on what evidence? What would need to change for that to change? When is the final entry deadline?
After 16
The Department for Education calls grade 4 a standard pass and grade 5 a strong pass. Full-time students aged 16 to 19 in England without a grade 4 must keep studying maths under the maths condition of funding.
| GCSE maths result | What a full-time 16–19 student must do |
|---|---|
| Grade 4 or above | No further maths requirement |
| Grade 3 | Study towards GCSE maths |
| Grade 2 or below | Study towards either GCSE maths or Functional Skills maths level 2 |
Source: DfE, 16 to 19 funding: maths and English condition of funding, 2026 to 2027 academic year. It is updated annually. This is the strongest case for playing safe with a borderline student: a secure 4 on Foundation means no resit year.
Resits and reform
A student who needs a resit can sit it in the November series, open to candidates aged 16 or over on 31 August, or the following summer. A resit can be entered at either tier; most resit candidates take Foundation because the target is the grade 4.
The Curriculum and Assessment Review reported in November 2025, and the government plans to reform GCSEs later this decade, including shorter exams. None of that affects students sitting GCSE maths in 2027, and the formulae sheet stays for the life of the current specifications.
Getting evidence
The tier conversation goes better with specifics. In the free first class, a ClassArc GCSE teacher starts a little above where the school has reached and works back until the ground is solid. By the end of the 55 minutes you know which topics hold, which wobble, and whether Higher looks realistic.
After that the classes follow the tier. Foundation students make the shared core completely reliable and practise the grade 4–5 questions at the back of the paper. Higher students aiming for a 4 or 5 secure the same core, then add the Higher topics that come up most. Those aiming for a 7 or above work on multi-step problems and the last questions of each paper.
the grades both tiers can award, and where most tier decisions are made
Next
Have your child rate every topic first. It turns "borderline" into a list.
Open the checklistThe GCSE course, both tiers, and how the three boards compare.
KS4 guideOne-to-one classes at either tier, on your child's board.
GCSE tutoringQuick answers on boards, calculators, resits and grade 4 against grade 5.
Read the FAQTier questions
First class
55 minutes. The real classroom. No card. We confirm details on email and WhatsApp within a day.
Last updated · May 2026
When you book a demo or sign up for classes, we collect your name, your child's name, email, WhatsApp number, time zone, and the grade you're inquiring about. That's it. We don't ask for or store any payment details on this website. We don't use trackers, cookies for advertising, or third-party analytics that profile you.
Only to schedule and run your classes, send you class reminders, share homework and progress, and answer your questions. We'll reach out by email or WhatsApp, depending on what you tell us works better for you.
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We treat any information about your child with extra care. We only collect what we need to teach them well, such as their grade and what they're working on. We never use a child's photo, name, or work in any marketing without the parent's explicit written permission.
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Email hello@theclassarc.com. A real person will reply.
Last updated · May 2026
ClassArc is a one-on-one online tutoring service. We provide live, scheduled classes between a teacher and a student, along with homework, feedback, and study support.
Each class is 55 minutes. You can reschedule or cancel a class up to 5 minutes before it starts. If you miss a class without notice, we usually credit it back to your balance and reschedule based on what works for the teacher and student.
The first demo class is free, no card required. After that, plans are billed in advance for the number of classes you choose (8, 24, or ~48). We'll send you a payment link directly once you've picked a plan.
If you want to stop classes at any point, we refund whatever class balance is left on your plan. No questions asked, no friction. Refunds are processed within 7 business days.
We expect students and parents to treat teachers with respect, and teachers to do the same. We reserve the right to end the relationship if classes become unsafe, abusive, or disruptive, with a full refund of any unused balance.
If we update these terms, we'll email you before the changes take effect, so you have time to review them.
For anything, email hello@theclassarc.com.