ICCS 2009 Technical Report - IEA

Table B.26.2: Allocation of teacher sample in MexicoSchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementGeneral 97 0 90 0 0 7Particular (private) 16 0 16 0 0 0Téchnica (technical) 62 0 53 0 0 9Telesecundaria 45 0 43 0 0 2(telesecondary)Total 220 0 202 0 0 18Note: 12 schools were regarded as non-participating because the within-school participation rate was below 50%.B.27. The Netherlands• Special secondary education schools and practice-oriented schools were excluded at theschool level.• Explicit stratification was performed by groups of tracks (vocational education, generaleducation), resulting in two explicit strata.• No implicit stratification was applied.• Two classrooms were sampled from the 30 largest schools (MOS ≥254).Table B.27.1: Allocation of student sample in the NetherlandsSchool Participation Status—Student SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementVocational Education 66 3 27 7 2 27General Education 84 5 24 4 3 48Total 150 8 51 11 5 75Table B.27.2: Allocation of teacher sample in the NetherlandsSchool Participation Status—Teacher SurveyParticipating SchoolsExplicit Strata Total IneligibleNon-ParticipatingSampled Schools Schools Sampled First Second Schoolsreplacement replacementVocational education 66 3 8 1 2 52General education 84 5 7 3 1 68Total 150 8 15 4 3 120Note: 34 schools were regarded as non-participating because the within-school participation rate was below 50%.304 ICCS 2009 technical report