cram for an examination

What you are asking of high schoolers is to keep track of five or six subjects, plan ahead for their long term projects, decide what is important to study, to review for tests, to prioritize.

The final test is just around the corner.

a final;a term examination

prepare[read, study] for an examination

an examination in mathematics

study[work] hard;grind (away)

study[work] late at[into] night;burn the midnight oil



friend : He studied hard as a grinder.