With growing demand for workers in science, technology, engineering, mathematics (STEM) and health care, it is important to assess not only whether education interventions impact educational attainment, but also students’ majors. This study examines the impact of Early College High Schools (ECHSs) on bachelor's degree attainment by field of study using data on 400,000 students from North Carolina (7,300 in an ECHS). Using propensity score weighting, I find that ECHSs increase bachelor's degree attainment within 10 years of high school entry by 4.7 percentage points (19 percent over baseline), with STEM degree attainment increasing by 1.3 to 2.4 points (18 to 34 percent). However, within STEM and STEM-related fields, ECHSs increase degrees in the natural sciences (1.3 points or 45 percent), math/computer science (0.6 points or 60 percent), and psychology (1.2 points or 57 percent), but have null and directionally negative effects on engineering (−0.1 points or −7 percent) and health care (−0.3 points or −17 percent). Patterns are generally similar across student subgroups, though male students drive increases in computer science/mathematics whereas female and white students drive decreases in health care. Thus, ECHSs increase STEM degree attainment overall, but more research is needed to examine whether intensive dual-enrollment experiences like the ECHS may create barriers or disincentives to pursuing certain STEM fields.

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