Background: There are many debates on socioeconomic indicators influencing trauma outcomes.Objectives: This study aimed to determine the association between education as a socioeconomic indicator and trauma outcomes.Methods: This descriptive-analytical study was conducted on 30,448 trauma patients during 2016-2021. The data were based on the minimum dataset of the National Trauma Registry of Iran (NTRI) from six different trauma centers in various cities of the country. The variables used in this study included age, education level, marital status, cause of injury, Glasgow Coma Scale (GCS), intensive care unit (ICU) admission, Injury Severity Score (ISS), and in-hospital mortality. Logistic regression was used to investigate the association between independent variables and trauma outcomes.Results: The study included 30,448 trauma patients with male predominance (75.8%). The mean age was 36.9 years. The most frequent education level was secondary education, with 14,228 (46.6%). Education levels had significant relationships with ISS, death, and ICU admission (P