Based on a national survey, the most common required level of education for Heavy and Tractor-Trailer Truck Drivers is High School Diploma - or the equivalent (for example, GED) with 54.34% of respondents. The second most common is Less than a High School Diploma with 25.90% of respondents. The third most common is Post-Secondary Certificate - awarded for training completed after high school (for example, in agriculture or natural resources, computer services, personal or culinary services, engineering technologies, healthcare, construction trades, mechanic and repair technologies, or precision production) with 18.51% of respondents.