Which is the best way to revise this sentence to make it clearer without changing its meaning?

making a timetable to you devote the correct amount of time to each school subject is beneficial while also making flash cards is useful for remembering information.

a.
make a timetable for different school subjects. then make flash cards to you study.
b.
making a timetable is beneficial as also is making flash cards for remembering information.
c.
making a timetable will you study different school subjects. as will making flash cards for remembering information.
d.
to you devote the correct amount of time to different school subjects, make a timetable. to remember information, make flash cards.
e.
a timetable will you make time for each school subject. and making flash cards can you remember information.