The diagram below of the ISTF objects contains more detail than the general Data Model ERD on which I continue to work. Almost all of the elements and attributes of the Instructional Services objects are present in this diagram, with the exception of a few that I omitted for the sake of clarity. Here is the link to the ISTF objects within the Implementation Specification.
One other item worth noting is that I am hoping to use these objects, specifically the LearningStandardItem object, on a client project to rigorously document their learning standards for use within multiple future projects. This is a good example where the SIF Data Model has significant intrinsic value, even without a specific need to "move" data using the Infrastructure.

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