I found this blog post particularly interesting because they consider 6 Models of Blended Learning in direct relationship to high risk students and programs that are currently coming under fire by the Department of Education.
The SAMR (Substitution Augmentation Modification Redefinition) model is a framework used to evaluate the technology being employed (or that you'd like to employ) in your classroom. Basically, it offers a way for you to look at how technology integration might affect teaching and learning.
I have noticed that the majority of EDtech 523 course work in k-12. This site is directed toward younger learners but provides a great deal of content for all classrooms.