On September 26 at 9 PM ET, join @CADREK12, Libby Gerard, Christopher Harris (@chrsharris), J. Bryan Henderson (@JBryanHenderson), Joseph Krajcik (@krajcikjoe), Matt Silberglitt (@silberglitt), and @NSTA for a live Twitter chat on the topic of technology-enhanced assessment in STEM education, the focus of a recent Spotlight.