The grading system and interpretation of letter grades used to measure student success in grade 6 through grade 12 courses for students in public schools shall be as follows:(1) Grade “A” equals 90 percent through 100 percent, has a grade point average value of 4, and is defined as “outstanding progress.”
(2) Grade “B” equals 80 percent through 89 percent, has a grade point average value of 3, and is defined as “above average progress.”
(3) Grade “C” equals 70 percent through 79 percent, has a grade point average value of 2, and is defined as “average progress.”
(4) Grade “D” equals 60 percent through 69 percent, has a grade point average value of 1, and is defined as “lowest acceptable progress.”
(5) Grade “F” equals zero percent through 59 percent, has a grade point average value of zero, and is defined as “failure.”
(6) Grade “I” equals zero percent, has a grade point average value of zero, and is defined as “incomplete.”
The State Board of Education shall establish a statewide uniform weighted grading system for honors courses and articulated acceleration mechanisms identified in s. 1007.27. District school boards shall use the weighted grading system to calculate weighted high school grade point averages.