Computer Science
Year 7 Rationale
The Key Stage 3 Computer Science curriculum at Harrow High ensures students are equipped with future-proof digital literacy, equitable access to technology, and explicit readiness for artificial intelligence. It fosters computational thinking and creativity, enabling students to engage actively and responsibly in an increasingly digital world. Emphasizing both theoretical foundations and practical skills, the curriculum introduces learners to essential concepts such as AI, cybersecurity, programming, and computational logic, preparing them to confidently navigate and shape their digital futures.
Year 7 introduces foundational computing skills, computational thinking, and the basics of programming, including Scratch and initial explorations in AI and machine learning.
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YEAR 7 |
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Topic |
Rationale |
| Using computers safely, effectively and responsibly |
This unit introduces learners to effective digital file management, highlighting the importance of safe and responsible technology usage. It emphasizes adherence to school policies and practical skills for navigating digital environments.
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Spreadsheet modelling
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Learners develop practical spreadsheet skills, using functions like SUM and IF to build financial and data models. This unit helps learners apply numeracy and data handling skills to real-world scenarios.
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| Computer Science fundamentals |
Learners engage in activities designed to introduce core computational thinking concepts such as logical reasoning and problem decomposition. Through interactive tasks, learners build a solid foundation for future programming units.
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| Programming essentials in Scratch Part I & II |
This two-part unit introduces learners to essential programming constructs through Scratch, such as sequencing, selection, and iteration. Project-based learning allows learners to build confidence in programming and prepare for more advanced coding.
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AI & machine learning
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Learners explore artificial intelligence through practical Scratch-based projects, introducing them to machine learning concepts and ethical implications. This unit promotes critical thinking about responsible AI use and its societal impacts.
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Progression
The curriculum employs spiral learning, revisiting and deepening concepts annually, from foundational skills in Year 7 to advanced projects in Year 9. This structured approach reinforces learners’ knowledge, enabling them to confidently build on their existing skills and understand increasingly complex concepts. Intentional cross-links between units, such as data handling, computational logic, programming, and AI, encourage learners to see interconnections and apply knowledge flexibly, supporting smooth transitions towards GCSE studies and beyond.
Diversity, Equity & Inclusion
The curriculum proactively accommodates diverse prior experiences, ensuring learners from all backgrounds have equal opportunities to succeed. Selected examples and contexts reflect diverse cultures, interests, and experiences, promoting representation and relevance for all learners. The curriculum actively challenges stereotypes associated with computing and technology, providing inclusive teaching approaches and resources to foster a welcoming and empowering learning environment for every learner.
Careers
The curriculum explicitly connects learners’ experiences and skills to a broad spectrum of career opportunities in computing and technology fields, such as software engineering, cybersecurity, AI research, web development, animation, and interactive game design. Through practical tasks and authentic project-based activities, learners gain insights into industry standards and real-world applications, fostering an awareness of how their classroom learning translates into professional contexts. By highlighting diverse career pathways and regularly exposing learners to contemporary examples and role models from the tech industry, the curriculum inspires informed career choices and encourages learners to envision themselves as future technology leaders.
autumn term - UNIT 1
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Using computers safely effectively and responsibly |
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Skills |
File management and organisation
Online safety and digital citizenship
Data security and passwords
Digital communication
Information literacy
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Knowledge |
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Rationale |
This foundational unit has been designed to ensure that students develop essential digital literacy skills before progressing to more advanced computing topics. It establishes critical knowledge about using school technology systems appropriately and safely. The unit begins with practical file management skills that students will use throughout their education, teaching them to organise work systematically and understand the importance of data backup. Students then explore online safety concepts, learning to identify and respond to digital risks including cyberbullying, inappropriate content, and social engineering attempts. The unit emphasises the development of strong digital citizenship through understanding password security, email etiquette, and responsible online communication. Students learn practical skills for effective web searching and information evaluation, preparing them to be critical consumers of digital information. This unit serves as both an introduction to using school technology systems and a comprehensive foundation in digital safety that will support students throughout their secondary education and beyond. |
AUTUMN TERM - UNIT 2
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Spreadsheet modelling |
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Skills |
Spreadsheet basics
Computer modelling concepts
Advanced spreadsheet functions
Data validation and formatting
Automation and efficiency
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| Knowledge |
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This unit provides students with essential digital literacy skills through practical application of spreadsheet software, preparing them for both academic and professional contexts. The unit is carefully structured to build confidence and competence progressively, from basic cell referencing to advanced modeling techniques. The unit begins with fundamental spreadsheet concepts, ensuring all students have a solid foundation regardless of prior experience. Students learn to navigate spreadsheet interfaces, understand cell referencing, and create basic formulas. This foundation is essential for more complex work in later lessons and prepares students for mathematical and scientific applications throughout their education. The core focus on computer modeling introduces students to computational thinking and problem-solving approaches used across multiple disciplines. By creating a financial model for a television talent show, students engage with real-world business concepts while developing technical skills. This authentic context makes learning meaningful and demonstrates the practical value of spreadsheet skills in professional environments. The unit emphasises the development of logical thinking and systematic approaches to problem-solving. Students learn to break down complex problems into manageable components, test different scenarios, and evaluate outcomes. These analytical skills transfer beyond computing to support learning in mathematics, science, and business studies. Advanced features such as conditional formatting, data validation, and macros introduce students to automation and efficiency concepts that are increasingly important in digital workplaces. Students learn to create professional-quality outputs and understand how technology can be used to reduce errors and improve productivity. This unit serves as a crucial foundation for further study in computing, mathematics, and business subjects, while providing immediately applicable skills for academic work across the curriculum and future professional development. |
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spring term
SUMMER TERM
Knowledge Organisers
A knowledge organiser is an important document that lists the important facts that learners should know by the end of a unit of work. It is important that learners can recall these facts easily, so that when they are answering challenging questions in their assessments and exams, they are not wasting precious time in exams focusing on remembering simple facts, but making complex arguments, and calculations.
We encourage all pupils to use them by doing the following:
- quiz themselves at home, using the read, write, cover, check method.
- practise spelling key vocabulary
- further researching people, events and processes most relevant to the unit.
