补习课程 meaning in English

remedial course
supplementary course

Headway education was established in 1999 by a group of highly qualified educational professionals who strive to provide tutorial courses of the highest quality
进佳教育成立于1999年，由一群资深教育专业人士创办，致力提供最高质素之补习课程。
Those who get a " b " grade or better in math or science after finishing the course will be eligible for a bonus of 125 dollars , leaving them potentially 605 dollars better off in total
补习课程结束后，数学或自然成绩达到b或更高水平的学生将获得125美元的额外奖励，这样他们总共就能得到605元的报酬。