For parents
IGCSE vs IB vs A-Level vs AP
The main international school systems, side by side — and a quick way to see which one fits your child.
IGCSE
14–16- Structure
- 7–10 separate subject certificates
- Assessment
- Written exams per subject (+ some coursework)
- Breadth vs depth
- Broad foundation
- University fit
- A stepping stone into IB, A-Level or AP
- Best for
- Strong subject foundations at 14–16
IB Diploma
16–19- Structure
- 6 subjects (3 HL + 3 SL) + TOK, Extended Essay, CAS
- Assessment
- Exams + internal assessments + Extended Essay
- Breadth vs depth
- Broad and balanced
- University fit
- Recognised worldwide; valued for breadth
- Best for
- All-rounders keeping options open across countries
A-Level
16–18- Structure
- 3–4 subjects, chosen for depth
- Assessment
- Terminal written exams per subject
- Breadth vs depth
- Deep specialisation
- University fit
- Gold standard for UK universities; accepted US/Europe
- Best for
- Students who want depth in a few subjects
AP
15–18- Structure
- College-level courses alongside a high-school diploma
- Assessment
- One standardised exam per subject (1–5)
- Breadth vs depth
- Flexible course choice
- University fit
- Best fit for US universities; can earn college credit
- Best for
- Students targeting US universities
Which one fits your child?
1 · What stage is your child at?