Computer Science


Course Duration: 2 years Course Level: A Level
Comp Sci b -

Exam board: OCR

What is Computer science?

OCR A level Computer science explores how computers work from the inside out, covering programming, algorithms, data structures, computer systems, and networks. Lessons are taught through a mix of theory, practical coding, real-world problem solving, and exam-focused practice to build both knowledge and confidence. Students develop strong analytical thinking, programming skills, and an understanding of how technology impacts the modern world. By the end of two years, they are well prepared for university, apprenticeships, or careers in computing and related fields.

Why study Computer science?

OCR A level Computer science is worth studying because it develops highly valued skills such as problem solving, logical thinking, and programming, all of which are essential in today’s technology-driven world. The subject is deeply relevant to real-life industries like cybersecurity, software development, and data science, making it both engaging and practical. Universities and employers value it highly as it demonstrates strong analytical ability, resilience, and the technical skills needed for future careers.

Is Computer science right for you?

The ideal Computer science student is curious about how technology works and enjoys solving problems, thinking logically, and tackling challenges step by step. They are resilient, willing to debug errors, and enjoy learning from mistakes, especially when programming or working through complex concepts. A background in GCSE Computer science or strong skills in Maths are helpful, but not essential, what matters most is a genuine interest in computing, persistence, and a willingness to learn independently.

What will you study?

  • Year 1
    How computers work, including the CPU, memory, storage and input and output devices, systems software, application generation and the software development process, data security (encryption, hashing, compression), databases, networks and web technologies, data types, Boolean algebra, and computing legislation and ethics, applying programming techniques and algorithms to solve problems
  • Year 2
    Types of programming language and how different processors affect performance and system design, data structures for organising and managing data, the ethical and moral impact of technology on society, and computational methods for complex problems. You complete a full project, creating an application through analysis, design, development and evaluation

What happens outside lessons?

Students benefit from a wide range of Computer science opportunities beyond the classroom, helping to bring the subject to life and connect learning to real careers. Guest speakers from the cyber security industry provide insight into real-world threats, careers, and current technologies. Students also visit universities to take part in interactive workshops on areas such as game development, cyber security, and big data, giving them a taste of higher education and specialist study. In addition, students participate in the Bebras Computational Thinking Challenge in both Year 12 and Year 13, developing problem-solving and logical thinking skills. Enrichment opportunities such as Coding Club allow students to further develop their programming skills, work on personal projects, and collaborate with others who share an interest in computing.

“A level Computer Science at Stockton Sixth Form College has really helped me develop my problem-solving and programming skills, while also showing me how computing is used in real-world careers. It has prepared me well for university and my future cyber security career.”

Stefan O’Connor, Year 13

Where can Computer science take you?

Computer science A level opens pathways into careers such as software development, cyber security, data analysis, and AI.It also supports roles in web development, game design, and networking.Students develop problem-solving, programming, and logical thinking skills valued by employers.It provides a strong foundation for university study or entering the growing digital industry.

What subjects go well with Computer science?

Mathematics
Further mathematics

What are the entry requirements?

  • General requirements: Five GCSEs at grade 4 or above.
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