Even if all it did was grade and attendance. It is not trivial to get that right. My own little pet project http://gradezilla.com http://gradezilla.com took yea

Even if all it did was grade and attendance. It is not trivial to get that right. My own little pet project http://gradezilla.com http://gradezilla.com took years of refinement before it could handle just those things. Tying in with other aspects of a schools system makes it many multiple more complicated.