“…or 2.5 depending on the context, whereas the combinations used in several of the papers are different from this. The most notable difference is on science at secondary school, as described in Chapters 4 and 8 and also as discussed in Paterson (2022h). Because that paper deals with science at both school and higher education, for purposes of internal consistency its combinations of parental education , 129-32, 134t, 135f, 138, 140, 142, 144, 156-67 expansion of, 9-10, 133-8, 165, 170-1, 198 and inequality, 10-11, 147-8, 195, 229 participation in, 8, 164-5 sectors, 128 see also universities Higher Grade schools, 3-4 Highers see under secondary school certification Hirst,Paul,6 Hout,M.,38,171,228 Howieson,C.,xv,107 Iannelli,C.,129,148,193 Ichou,M.,19,63 independent schools,3 curriculum,64,77,55,[99][100]127,129,130,131,138,140,231 and higher education, , 23, 24-6, 33, 34, 38, 47, 51f, 55, 56, 58, 175 social class, 25, 33, 34t, 47, Schührer,S.…”