Jobs for the Future (JFF) set out a little over a year ago to create such models for bridging the secondary-postsecondary divide, developing strategies for high schools and colleges to build paths from the 12th grade through critical milestones of success in the first year of college. These partnerships of school districts and community colleges…

Students' inaccurate ideas about what is represented by chemical equations and concepts underlying stoichiometry are well documented; however, there are few classroom-ready instructional solutions to help students build scientifically accurate ideas about these topics central to learning chemistry. An intervention (two inquiry-based activities)…