Advanced Placement courses are weighted, college-level courses taught by high school educators.  Students can pay for the optional May exams and if they score well, they may earn college credit.  one-pager in ten languages

*All AP exams are optional and require a student fee is paid before exam registration is complete.  All scholars are encouraged to check their future college/university's policies for accepting AP exam scores before committing to exams - https://apstudents.collegeboard.org/getting-credit-placement/search-policies