sentences:  For the actual purpose of establishing these schools, much can be read into how the teachers were, as a rule, also candidates for clerical posts, and were sent to teach children outside their own towns.The expansion of the school system was carried out only slowly.To Duke Johannes I's (ruled 1569-1604) way of thinking, children should be taught not only the beliefs of their faith (Catechism), but also reading, writing and "other good arts".