What is the highest level of normalization the following table achieves?

enrollments table

course$\_$id student$\_$id course$\_$name student$\_$grade

$5711101$ History of Computing $98\mathrm{.}3$

$6431288$ Applied Geometry $85\mathrm{.}7$

$6431101$ Applied Geometry $88\mathrm{.}1$

$1121101$ Poetry Writing $92\mathrm{.}6$

$1131302$ Fiction Writing $75\mathrm{.}6$