Original sentence: The exact boundary:(( between primary and secondary education also varies from country to country and even within them, but is generally around the seventh to the tenth year of schooling.education is everyhting.there are many aspect of the educatio.without education life is nothing so education is important in our life
Edited sentence: The exact boundary between primary and secondary education also varies from country to country and even within them, but is generally around the seventh to the tenth year of schooling