This article presents new quasi-experimental evidence regarding the effectiveness of teaching-oriented faculty with tenure-track appointment, a model pioneered at the University of California (UC) system. Using data from six cohorts of students at a UC campus, we examine the impact of initial course-taking with three distinct types of instructors--tenure-track research faculty, tenure track teaching faculty, and contingent lecturers--on students' current and subsequent academic outcomes. Descriptive analyses indicate that tenure-track teaching faculty assume a substantially larger teaching load than either research faculty or lecturers. Using a three-way fixed effects model, we find limited evidence supporting differences by faculty type on either current or downstream student outcomes.