This is not an schoolpicture because these people are to different in age. At the beginning of 1900, this picture migth be taken in the 20thies, streetphotographers organized these kind of photosessions and sold the pictures later house-to-house in that neighbourhood. In Amsterdam the price was about one guilder (een piek). Of the people (all of some of them) on this picture are jewish is uncertain, it can be , or not.
Addition