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KEY STAGE 3: YEARS 7-9 | AGES 11-14

Secondary School

Class Size: maximum 12-15

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The Cambridge Lower Secondary curriculum, also known as Key Stage 3, is a three-year program (Years 7, 8, and 9) for students aged 11-14, building on primary school education and preparing them for secondary education. It emphasizes a transition from child-centered primary school approaches to more enquiry-based, problem-solving, and decision-making activities. 

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Curriculum:

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The Cambridge Lower Secondary curriculum covers core subjects like English, mathematics, science, history, geography, modern languages, and also includes citizenship, and computing.

 

Class sizes are small, a maximum of 15 pupils in any class. This ensures that each pupil receives the vital teacher attention and promotes personalised learning where every child can learn and achieve at their own place.

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KS3 SUBJECTS THAT WE TEACH

 

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September
2025
Admissions
OPEN

School Backpack

Years 7-9

Compulsory subjects:

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English

Maths

Science

History

Geography

ICT

Foreign language

PSHE/Citizenship

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English:

Students enhance their language skills through reading, writing, and communication, exploring a variety of texts and genres. 

Learners develop skills and understanding in four areas: reading, writing, speaking and listening. They will learn how to communicate effectively and respond to a range of information, media and texts to:

  • become confident communicators, able to apply all four skills effectively in everyday situations

  • see themselves as readers, engaging with a range of texts for information and for pleasure, including texts from different times and cultures

  • see themselves as writers, using the written word clearly and creatively for a range of different audiences and purposes.

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Science:

The curriculum covers biology, chemistry, and physics, with a focus on working scientifically and developing critical thinking skills. 

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Curriculum covers six main areas called ‘strands’ that work together so that you can teach science holistically:

  • Biology – living things and how they interact.

  • Chemistry – the study of matter.

  • Physics – the interaction of matter and energy.

  • Earth and Space – planet Earth, the wider Solar System and beyond.

  • Thinking and Working Scientifically – develops understanding and skills of scientific models and representations, scientific enquiry and practical work.

  • Science in Context – helps teachers demonstrate the relevance of science to learners and unique to our science curriculum.

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Mathematics:

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Students develop their mathematical skills, including number operations, algebra, geometry, and data analysis. 

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‘Thinking and working mathematically’, a unique feature of our curriculum, encourages learners to talk with others, challenge ideas and to provide evidence that validates conjectures and solutions. When learners are thinking and working mathematically, they actively seek to make sense of ideas and build connections between different facts, procedures and concepts. This supports higher order thinking that helps them to view the world in a mathematical way.

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Subject divided into three main areas called ‘strands’, which run through every lower secondary mathematics stage. Learners will develop skills in:

  • Number

  • Algebra, Geometry and Measure

  • Statistics and Probability.

The strands work together to help students recognise connections of mathematical concepts as they engage in creative mathematical thinking to generate and improve numerical fluency.

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History:

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Students extend their understanding of British, local, and world history, analyzing events, trends, and interpretations. 

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Cambridge Lower Secondary Humanities is divided into three strands: People, Past and Places. The three strands are connected through common themes, but are distinct, as they each develop discipline-specific knowledge and skills.

People 
Learners explore identities, communities, diverse worldviews, and concepts of power, rights and economics. The People strand relates to humanities and social science subjects such as psychology, sociology and economics.

Past 
Learners explore how the world has changed over time, how we construct the past, why there are different interpretations of the past and how this can inform us when making decisions in the future. The Past strand relates to history.

Places 
Learners explore places, spaces and environments, locally, nationally and globally. The Places strand relates to geography.

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Geography:

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The KS3 Geography curriculum, including that used by Cambridge schools, focuses on consolidating and extending students' knowledge of the world, including both physical and human features. It emphasizes understanding how geographical processes shape landscapes and develop skills in analyzing data and using geographical concepts and tools. 

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Computing:

 

Our new computing curriculum helps learners understand how computers work. This stimulating course gives students the opportunity to look inside a computer to understand the purpose of different components. They will develop coding skills in text-based programming languages, such as Python, and learn that computers can only perform actions that humans ask them to do.

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Students develop the computational thinking skills and vocabulary they need to:

  • extract key information from a set of instructions, break down problems into smaller parts and recognise patterns within sequences of instructions

  • present sequences of instructions both verbally and visually, with increasing precision

  • think logically to identify and solve errors in increasingly complex computing scenarios

  • see themselves as computer scientists and understand how skills such as programming and logical thinking help in local and global industries

  • understand the role that computers, other machines and data play in their lives.

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Curriculum divided into five strands:

  • Computational Thinking supports learners to create and present solutions to problems using algorithms, logic and precision.

  • Programming helps learners to understand the common constructs of programming languages and to appreciate the contribution that Computer Scientists make to our lives.

  • Managing Data encourages learners to reflect on how computers store and analyse data on an ever-increasing scale.

  • Networks and Digital Communication shows how computers and other machines communicate with each other across networks and how the networks are created through a combination of hardware and data transmission protocols.

  • Computer Systems helps learners to understand that computers follow precise sets of instruction to process inputs that are given by humans, to make decisions and produce outputs.

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TESTS and ASSESSMENTS 

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Tests and assessments are regularly conducted to ensure students are on track with their learning and to identify areas for improvement.

 

The curriculum is designed to prepare students for their IGCSEs and beyond, with a focus on developing critical thinking, problem-solving, and independent learning skills.

 

Our teachers are highly qualified and experienced, and they use a variety of teaching methods to engage and challenge students.

 

At LEO Online School UK, we also offer a range of extracurricular activities, including virtual field trips, clubs, and competitions, to enhance students' learning and personal development.

 

Our online platform is user-friendly and interactive, allowing students to access lessons, assignments, and resources at their own pace and from anywhere with an internet connection.

 

We believe in providing a supportive and inclusive learning environment for our students, and we strive to ensure their academic success and overall well-being.

 

If you are interested in enrolling your child in our secondary school program, please book a consultation for more information or fill out this Application form.

 

We look forward to welcoming you and your child to our LEO Online School UK community!

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