The third author’s name is spelled incorrectly in the manuscript and supporting information table S1 Funding. The correct name is: Lyndsay Avalos. The correct citation is: Dunlop AL, Essalmi AG, Avalos L, Breton C, Camargo CA, et al. (2021) Racial and geographic variation in effects of maternal education and neighborhood-level measures of socioeconomic status on gestational age at birth: Findings from the ECHO cohorts. PLOS ONE 16(1): e0245064. https://doi.org/10.1371/journal.pone.0245064. The authors have provided the corrected supporting information table. Please view the correct S1 Funding below.