Taking GCSEs is as essential as A-Levels as they cover the first two years of secondary school. These exams can benefit students in their later school years, and it is worth retaking them. Many students don’t realise that they can retake GCSE exams in Slough. These exams can benefit students in their later school years, and it is worth retaking them. If a student performed poorly on these exams or was held back in school year groups and attended the same school, they can retake them.