JOHN BIRD (University head of sociology) 21 Southfield Road, Bristol Nick Tate is reported as arguing that "Britain is unique in having . . . formal exams at both 16 and 18" (TES, June 27).
I can think of several other countries where this is the case, including Singapore both where O-level and A-level exams are used.
GEORGE BETHELL Cambridge Assessment and Development in Education 17 Orchard Avenue Cambridge