All posts
Choosing a path · 27 July 2026 · 6 min read
The subject choices that quietly keep the most doors open
Picking GCSEs or A-levels without a career in mind? Some combinations are far more forgiving than others.
Most sixteen-year-olds are asked to choose subjects before they've met anyone doing the job those subjects lead to. So the sensible strategy isn't precision — it's optionality. Pick the combinations that close the fewest doors.
The high-optionality subjects
| Subject | Opens up | Worth knowing |
|---|---|---|
| Maths | Engineering, computing, economics, sciences, finance | The single most commonly required A-level for competitive courses |
| Biology + Chemistry | Medicine, nursing, dentistry, veterinary, biosciences | Most medical routes want chemistry specifically |
| Physics | Engineering, architecture, physical sciences | Often paired with maths as a hard requirement |
| English | Law, journalism, humanities, teaching, PR | Trains the written argument nearly every graduate job wants |
| Art / Design | Design, architecture, film, games, marketing | Portfolio matters more than grade for most creative courses |
| Psychology | Psychology, HR, social work, marketing, health roles | Counts as a science for some courses and not others — check |
“You can get almost anywhere from maths plus one essay subject. That's not a rule, but it's a very forgiving default.”
Three mistakes worth avoiding
- Choosing a subject because of the teacher — teachers change, the syllabus doesn't.
- Dropping maths early because it's hard right now, then needing it for a course two years later.
- Picking three subjects that all do the same thing; one contrasting subject makes your application read better and your week more interesting.
Sources worth checking yourself
Now go and try it
Careers mentioned in this piece — walk a day in each, free.
