In the California Science Framework, high school performance expectations are organized and bundled into sample courses and instructional segments. These models are designed for district use and consideration as they build their course sequence and descriptions.
Two course models are identified in Chapter 6 of the California Science Framework, a three course model and a four course model. This NGSS Resource center provides support for each of these models. An alternative fully integrated three course model (every science, every year) is outlined in Appendix 4 of the CA Science Framework.
Links to high school course models:
Three Course Model
Four Course Model
Other High School Arrangements