“…However, the success rate of Review Qualified pupils from unreorganized elementary schools (76 per cent), who were mainly in rural areas, equalled that of the 11+ qualifiers, suggesting that able pupils were being overlooked in the initial examination. 1975 Cohort (Wilson, 1982) 1981 Cohort (Gallagher, 1988) During the time of the Selection Procedure NICER charted the progress between the ages of 12 and 18 of a cohort of some 3000 pupils who entered secondary education in 1975. The sample of ten grammar, ten secondary intermediate, five bilateral/ comprehensive and six junior high schools was chosen to give adequate representation to alternative forms of secondary education, rather than to reflect the composition of the population.…”