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What are the Senior streams, and what is compulsory?

Science, commerce and arts — plus the three languages every student sits whichever stream they are in.

At Senior Middle a student follows a stream. The three usual ones are Science (理科), Commerce (商科) and Arts (文商科 / 文科), and the stream decides most of the timetable for three years.

What every stream shares

Three languages are compulsory across all streams — Chinese, Malay and English — and together they take up a substantial share of teaching time, commonly cited at around half. Mathematics is standard in every stream as well.

This is a real difference from IGCSE, where a student can build a subject list with one language in it. A UEC student carries three languages to the end of Senior 3 whatever they intend to study afterwards.

What each stream adds

  • Science — Advanced Mathematics I and II alongside Physics, Chemistry and Biology.
  • Commerce — Business Studies, Bookkeeping and Accounts, Accounting, and Economics.
  • Arts — History, Geography, Art and Art Appreciation, and Computing and Information Technology.

The lists are not identical from school to school. A smaller school may not run every subject in a stream, and a subject only runs if enough students take it — the same constraint that shapes subject choice in any school system.

Taking a subject outside the stream

Registration for the examination is done subject by subject, by code, which means the examination itself is not what limits a combination. What limits it is the school: whether the class exists, whether it clashes on the timetable, and whether the school allows a science-stream student to add a commerce subject.

Schools differ on this, and some are much more flexible than others. It is a question to put to the school directly — and to put early, while the Senior 1 timetable is still being set rather than after it has been.

Choosing a stream

The stream is chosen at the start of Senior Middle and is the decision that shapes the next three years. Two things are worth weighing beyond the student's current results:

  • What the intended course asks for. Degree requirements name subjects. A course that requires Physics is not satisfied by strong grades elsewhere.
  • How hard it is to move later. Changing stream after Senior 1 means catching up on a year of subjects the student has not taken, which is harder in the sciences than almost anywhere else.

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