   a preschool (also nursery school, kindergarten outside the us) is an educational establishment offering early childhood education to children between the ages of three and five, or seven, prior to the commencement of compulsory education at primary school. they may be privately operated or government run, and the costs may be subsidized. ==terminology== the following terms may be used for educational establishments for this age group: *kindergarten, is used in many parts of world, with the exception of the us and some states of australia, where the term is used to refer to the first stage of compulsory education offered at the age of five. *pre-k (or pre-kindergarten) is an initiative to improve access to preschool for disadvantaged children in the us. *nursery school (uk and us) *grade 0, which is also sometimes classified as "a mixture between preschool and a school regime".turner, martin; rack, john paul (2004). the study of dyslexia. birkhÃ¤user, isbn 978-0-306-48531-2dustmann, christian; fitzenberger, bernd; machin, stephen (2008). the economics of education and training. springer, isbn 978-3-7908-2021-8 *pre-primary ==history== ===origins===  in an age when school was restricted to children who had already learned to read and write at home, there were many attempts to make school accessible to the children of women who worked in factories or were orphans. in 1779, johann friedrich oberlin and louise scheppler founded in strassbourg an early establishment for caring for and educating pre-school children whose parents were absent during the day.samuel lorenzo knapp (1846), ââfemale biography: containing notices of distinguished womenââ philadelphia: thomas wardle. p. 230 at about the same time, in 1780, similar infant establishments were established in bayernmanfred berger, "kurze chronik der ehemaligen und gegenwÃ¤rtigen ausbildungsstÃ¤tten fÃ¼r kleinkindlehrerinnen, kindergÃ¤rtnerinnen, hortnerinnen ... und erzieherinnen in bayernâ in 'âkindergartenpÃ¤dagogik - online-ha
Children Early_childhood_education Educational_stages