Key Stage 3 – Years 7, 8 & 9

As the first years of secondary school, Key Stage 3 is a very important time in the academic and personal growth of young people.

At IISM, we offer a range of subjects to allow our students to explore their passions and develop their academic ability in lots of disciplines before they choose their subjects in Key Stage 4.

The subjects our students study in Years 7, 8 and 9 are:

  • Art & Design 

  • Drama

  • English  

  • Geography

  • History

  • Kiswahili

  • Mathematics

  • Music

  • Personal, Social and Health Education (PSHE)

  • Physical Education (PE)

  • Religious Education (RE)

  • Science [Biology, Chemistry, Physics – combined]

  • Swimming

Key Stage 4 - Years 10 & 11
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Key Stage 4 students at IISM follow Cambridge IGCSE and O Level syllabi. These courses and their associated final examinations are internationally recognised as one of the best measures of academic progress for students aged 16 years.


IGCSEs are two-year courses with examinations taken during the months of May and June of the second year, although for some subjects a coursework component exists.

The subjects we offer at IGCSE/O Level are:


  • English Language [IGCSE]

  • Mathematics [IGCSE]

  • Coordinated Science [IGCSE] - equivalent to 2 IGCSEs


  • Art & Design [IGCSE]

  • Business Studies [IGCSE]

  • Drama [IGCSE]

  • Economics [IGCSE]

  • Geography [IGCSE]

  • Global Perspectives

  • History [IGCSE]

  • Information and Communication Technology (ICT) [IGCSE]

  • Kiswahili [O Level]

  • Physical Education [IGCSE]


All KS 4 students will also have 3 periods of Physical Education (Games and Fitness, swimming), and 1 period of Personal Social and Health Education (PSHE) per week.

For further information, please read our IGCSE Options Brochure here.

You can also find syllabus information on the Cambridge Assessment International Education website.