Definitions for "GCSE"
ormerly known as O-levels A single-subject exam taken upon completion of two years of study at the age of 16 (age at US 10th grade). Students take anywhere between 5-10 subjects, which, if passed, are generally considered equivalent to a US high school diploma.
a General Certificate of Secondary Eduction
General Certificate of Secondary Education
Generalized convulsive status epilepticus