What Comes After IGCSE? A Parent's Guide to the Next Step

By Charlie Magee, QTS-qualified maths teacher with 8+ years' experience in international schools

Your child is finishing their IGCSEs. The exams are done (or nearly done), and the question now is: what comes next? If you're at an international school, there are usually two main pathways on offer, sometimes three. Each one works differently, suits different types of students, and leads to different university application processes.

This is a guide to help you understand the options, ask the right questions, and make a decision that fits your child rather than defaulting to whatever the school recommends.

Option 1: A-Levels

A-Levels are the traditional UK qualification. Students typically choose three or four subjects and study them in depth over two years. There is no requirement to study a broad range of subjects: a student who wants to focus entirely on sciences can do exactly that.

The depth of study is significantly greater than IGCSE. A-Level Maths, for example, covers calculus, mechanics, and statistics at a level that many university first-year courses used to cover. Students who did well at IGCSE Extended Maths will find the jump manageable but real. Those who scraped through on the Core papers may struggle.

A-Levels are widely recognised by universities globally, particularly in the UK, Australia, Canada, and across Asia. They are less familiar to US admissions offices, though most US universities do accept them.

The main advantage of A-Levels is specialisation. If your child already knows what they want to study at university, choosing three closely related A-Level subjects gives them the strongest possible preparation. The main disadvantage is that there is no built-in breadth: a student doing Maths, Physics, and Chemistry may not write an essay for two years.

Option 2: The IB Diploma

The International Baccalaureate Diploma Programme (IBDP) is the other major pathway at international schools. It takes two years and requires students to study six subjects: three at Higher Level (HL) and three at Standard Level (SL). The six subjects must span different groups: a first language, a second language, a humanities subject, a science, mathematics, and an elective (which can be a second science, a second language, or a creative subject).

On top of the six subjects, IB students must complete a 4,000-word Extended Essay (an independent research project), a Theory of Knowledge course (an epistemology class that asks "how do we know what we know?"), and a Creativity, Activity, Service (CAS) programme of extracurricular engagement.

The IB is deliberately broad. A student who loves maths and science must still study a language and a humanities subject. This breadth is the IB's defining feature, and opinions on it divide sharply. Some students thrive on the variety. Others find it exhausting to maintain effort across subjects they have little interest in.

Languages in the IB

One area where the IB differs most from A-Levels is the language requirement. Every IB student must study a second language (Group 2), and many schools offer Language A courses (Group 1) in languages other than English. For students at international schools where French, Spanish, or another language is part of daily life, this can be a significant strength on their diploma.

It can also be a significant challenge. IB French at Higher Level, for example, requires sophisticated literary analysis and essay writing that goes well beyond IGCSE-level language skills. Students who did well at IGCSE French may find the jump to IB HL considerable. If your child needs support with IB French, I'd recommend Louis at Louis IB Tutor. He's a native French speaker who specialises in IB French at SL and HL, and his students consistently achieve high grades.

Maths in the IB

IB Maths comes in two flavours: Analysis and Approaches (for students who enjoy pure maths and are likely heading toward engineering, physics, or maths degrees) and Applications and Interpretation (for students who prefer practical, real-world maths and may be heading toward social sciences, business, or design). Both are available at SL and HL. The HL Analysis course is roughly equivalent in difficulty to A-Level Further Maths, so it is a serious step up from IGCSE Extended. The SL courses are closer in level to A-Level Maths.

A strong foundation in IGCSE Maths makes a real difference here. If your child is heading into the IB and wants to make sure their algebra, trigonometry, and graphing skills are solid before Year 12 starts, that is something I can help with. Get in touch and we can discuss a plan.

Option 3: Other pathways

A few other options are worth knowing about, depending on your school and your situation.

The BTEC International is a vocational qualification offered by Pearson, the same board that runs Edexcel IGCSEs. It is coursework-heavy and suited to students who prefer practical, project-based learning over exams. It is well-regarded in the UK but less widely known internationally.

Some international schools offer American AP (Advanced Placement) courses, either as standalone qualifications or alongside A-Levels or the IB. AP courses are individual subjects (like A-Levels) rather than a full diploma programme (like the IB). They are the standard for US university admissions.

A small number of schools offer the Cambridge Pre-U or the French Baccalaureate. These are worth investigating if your school offers them, but they are niche options in the international school world.

How to decide

There is no universally "better" option. The right choice depends on your child. Here are the questions I'd suggest thinking about:

Does your child already know what they want to study at university? If yes, A-Levels let them specialise. If no, the IB's breadth keeps doors open.

How does your child handle workload? The IB is relentless. Six subjects plus the Extended Essay, TOK, and CAS is a lot of plates to keep spinning. A-Level students have fewer subjects and more free periods. Some students use that freedom well; others struggle without the structure the IB provides.

Where do they want to go to university? UK universities are equally happy with A-Levels or the IB. US universities tend to prefer AP or the IB (because of the breadth). European universities often favour the IB.

What does the school offer? Some international schools offer both A-Levels and the IB. Many offer only one. If your school only offers the IB, the decision is already made for you.

Making the transition easier

Whichever pathway your child takes, the transition from IGCSE to the next stage is one of the biggest academic jumps they will face. The content is harder, the pace is faster, and the expectations for independent study are much higher.

In maths, the gap between IGCSE and A-Level or IB HL is particularly steep. Topics like calculus, complex algebra, and proof are new, and they build on the foundations laid at IGCSE. If those foundations have gaps, they show up quickly. If your child is about to start A-Level Maths or IB Maths and wants to arrive prepared, book a free chat and we can work on strengthening the areas that matter most.