Earning a single grade of C will not ruin a student's cumulative grade point average (GPA), especially if it occurs early in high school or college when there are plenty of future academic terms remaining to balance out the score. A single C slightly lowers the overall average mathematically, but admission committees and academic advisors evaluate holistic transcripts rather than isolated blemishes. Consistent academic recovery and strong performance in subsequent coursework easily mitigate the temporary impact of one lower grade.