"To retake the class" means to take the same class again or repeat it, usually because you did not pass or understand the material the first time. Full definition
In the credit recovery program, seniors without enough credits to graduate retake classes during free periods, after school, on Saturdays and during the winter break. (laschoolreport.com)
In that program, students without enough credits to graduate retake classes during free periods, after school, on Saturdays and during the winter break. (laschoolreport.com)
In most cases, this means new students do not have to lose valuable credits or retake classes because they relocated or wish to change high schools. (beekmanschool.org)