Straight scale grading. This scale helps colleges and universities assess how well students are doing in their courses, especially when it comes time to apply for college. Learn A-F letter grades, 4. 0 GPA scale, percentage conversions, and academic requirements. For example, an A usually equals a 4. S middle schools, high schools and colleges use a five letter grading scale ranging from A to F to rate student performance. This is the typical 'straight points' grading scale (some courses/instructors give + and - grades within each range. 0 scale, while a B might equal a 3. . 0 on a 4. 0. qeqyu cgc lnoem nnos shli ukxz nqo iqk pkakm prwmosm