In 2011, 20 % of Swedish school children attended free schools at upper secondary level and 10 % attended free schools at primary or lower secondary level. (theconversation.com)
This average increases to 36 per cent at the lower secondary level and 40 per cent at the upper secondary level. (teachermagazine.com.au)
«We have made with mAuthor many successful solutions especially in Mathematics, Science, History and Social Sciences for primary and upper secondary levels.» (learnetic.com)