School Bus Driver Appreciation Day is observed annually on the fourth Tuesday in April, with this year's celebration falling on April 28. The day originated in California, where it was initially celebrated informally before being officially declared by the California legislature to honor school bus drivers for their significant contributions to students. The holiday aims to draw public attention to the vital role that bus drivers play in ensuring children can safely travel to and from school. Typical customs include expressing gratitude towards school bus drivers, recognizing their patience and dedication, and promoting awareness of their importance in the educational system. The observance has spread beyond California, becoming a casual celebration in various parts of the United States.