Got a CSE grade 3 in maths at school and a grade E in computer studies.
Have worked in IT for 30 years currently surrounded by actuaries administering modelling software.
A lot of pressure is put on kids nowadays along the lines that qualifications are everything, actually they are nothing.
I worked in an office in the early 90's with an IBM AS400 mainframe, I am guessing from your user name you are IBM?