What Will My Child Learn During Key Stage 3?

What Will My Child Learn During Key Stage 3?

Core subjects

Children must follow a curriculum of at least 15 subjects, including English, Maths, Sciece, ICT, Design and Technology, History, Geography, Modern Foreign Language, Art and Design, Music, PE, Citizenship, Sex and Relationships, Career Education and RE. At the end of Key Stage 3 your child will be asked to narrow some of these subjects down to what they would like to study for their GCSEs, so it is important that your child engages with each topic and explores what direction they may like to move in going forward.


Confidence with more varied audiences and situations will be a key skill to explore during Key Stage 3. Children will evaluate how language is used, and will apply this to new texts such as reviews, adverts and news articles. They will also develop their speaking and writing for formal interactions and public speaking. Moral and social issues will be looked at in both classic and contemporary texts, and your child will be expected to contribute to both class discussions and group work to encourage debate around this.

Key skills your child will start to explore:

  1. Evaluating how language is used
  2. Growing more confident in speaking and writing for different audiences
  3. Demonstrating flexibility in adapting their use of language to various situations
  4. Taking the lead and other roles in group work
  5. Reading increasingly challenging material
  6. Understanding the craft of writing and reading text for meaning
  7. Exploring social and moral issues
  8. Using classic and contemporary texts
  9. Looking at persuasive writing, advertisements and reviews


Your child will be expected to start understanding how mathematical reasoning can be applied to problems in other subject areas, such as science and geography. Key Stage 3 children will be expected to explain their reasoning behind problem solving to others, both verbally and on paper. Your child will also be introduced to a scientific calculator in order to tackle increasingly sophisticated problems.

Key skills your child will start to explore:

  1. Using algebra techniques and symbols confidently
  2. Planning and executing work
  3. Fractions, decimals, and percentages
  4. Using a scientific calculator
  5. Handling data
  6. Extending knowledge of number systems
  7. Explaining mathematical reasoning to others
  8. Ratio, proportion, and rates of change
  9. Geometry and measures


Developing a more in-depth appreciation of broad ideas behind scientific knowledge, your child will be encouraged to explore both concrete and abstract ideas related to biology, chemistry and physics. A concern for accuracy and precision will become more prominent in experiments and students will be expected to evaluate their own work and draw conclusions from their results.

Key skills your child will start to explore:

  1. Starting to draw predictions and expectations from related data and knowledge
  2. Developing scientific vocabulary
  3. Asking relevant questions based on observations
  4. Interpreting data to draw conclusions and evaluations
  5. Understanding appropriate types of enquiry and how objectivity can influence conclusions
  6. Cells, skeletal and muscular systems, nutrition and digestion, reproduction
  7. Photosynthesis, ecosystems, genetics and evolution
  8. Atoms, elements and compounds, chemical reactions, pure and impure substances
  9. The periodic table, materials, earth and atmosphere
  10. Energy changes, motion and forces, matter, electricity and electromagnetism

Sex and Relationships

Occasionally seen as a controversial subject for schools, Sex and Relationships is designed to teach your child about positive and negative relationships, sexual health, contraception and reproduction. Content is always tailored to the age group and educates children on topics they will already be exposed to, such as depictions of sexuality in the media. Children will have built an age-appropriate understanding of relationships through social classes in Key Stages 1 and 2, and so the topics covered in Key Stage 3 will naturally progress from this. The subject is designed to provide information and education only, and does not promote early sexual behaviour. You can withdraw your child from this class if you wish, although some topics related to sex and relationships will be covered as part of the compulsory curriculum in science classes.

Visit our Educational Books page for further support for you and your child during Key Stage 3.

Key Stage 3 Further Reading: How Might My Child Change During Key Stage 3
What Do I Need to Know About Exams During Key Stage 3 How Can I Help My Child During Key Stage 3

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