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Not any more. I think you'll find that the maths specifications have been trimmed down a little.[1] Now we have discrete Computer Science at GCSE and A-Level.

• OJFord 7y ago
  Within mathematics, the 'D' (e.g. D1) modules are 'discrete' at A level, and are mostly (basic) graph theory/algorithms. Cf. 'S' (Statistics), 'M' (Mechanics, i.e. mathematics of physics), 'C' (Core), and 'FP' (Further Pure). You're right that Computer Science/Computing is separate, but it's not a particularly common and certainly not a required choice for people pursuing CS, many view it as unworthwhile/a joke either in advance or retrospect. Certainly when I went through they'd far rather you took as much mathematics as possible (which can be three full A levels - Mathematics/Further/Additional if you take all of the modules) followed by sciences. A faculty member at Cambridge expressed an explicit preference for Latin over Computing at A level.