You need GCSEs in Maths and English to work here.
At GCSE, at least 20% of marks are given for grammatical accuracy.
We often stress for instance that boom and slump are not antithetical categories as crude GCSE textbooks proclaim.
Each year we have to decide on a fairly arbitrary academic cut-off, usually on the basis of their GCSE performance.
Freshwater Ecology (GCSE and A-Level) A number of stream sites are studied using biological, chemical and environmental sampling techniques.