How was it? I didn't have an option to take CS either for GCSE or A-Level. There was IT but most university departments actually discouraged it and recommended just taking science and maths.
They taught us BASIC, I can't remember the computers we had, I don't think they were popular ones. I do remember one of my colleagues really struggled with his practical project because he named all his variables a, aa, aaa, aaaa and so on. There was a maximum variable length of 8 characters so things went all wrong when he needed to use 9 variables. I don't think we were taught anything about quality software development, using decent variable names, algorithms etc..
Overall I did find the courses incredibly easy and I aced both without even trying. It was university where things started to get a bit more challenging.
I did science and maths as well, I did get much more out of those courses.
A-level started more programming. We learnt Turbo Pascal (6 maybe?). I wrote my own DOS based windowing app for a sailing (racing) management tool. .