"Curriculum-related school activity" as used in this subsection (a) includes transportation from home to school or from school to home, tripper or shuttle service between school attendance centers, transportation to a vocational or career center or other trade-skill development site or a regional safe school or other school-sponsored alternative learning program, or a trip that is directly related to the regular curriculum of a student for which he or she earns credit.
625 ILCS 5/11-1414.1