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Study guide

How to study for finals

The short version

  1. Rank your finals by what's at stake.
  2. Find out what each one is likely to cover.
  3. Spread your review of each topic over several days.
  4. Test yourself instead of rereading.

Start with the class where your grade can move the most, and mix two classes a day so every topic comes back on a later day. The steps below show how, with a worked example and a 10-day plan for three made-up classes.

Step 1. Rank your finals by what's at stake

Not every final deserves the same hours. One final can move your grade a lot, and another can barely move it at all. Before you plan a single study day, write down every final with three things:

  • The day it's on.
  • How much of your grade it's worth. It's in each syllabus's grading section.
  • The score you need on it for the grade you want.

The last one is the number most people guess at. Work out what you need on each final with the free calculator, one class at a time.

A worked example

Three made-up classes, each with its grade so far, what the final is worth, and the grade the student wants:

What each example final needs
ClassGrade nowFinal is worthGoalNeeded on the final
Example class: intro biology86.4%30%B+ (87%)88.4%
Example class: intro statistics80%25%B (83%)92%
Example class: history93%20%A- (90%)78%

The history class, by hand: the grade so far is worth 0.8 × 93 = 74.4 points. The final has to add 90 − 74.4 = 15.6. Divided by the final's weight, 15.6 ÷ 0.2 = 78.

Statistics needs a 92, the highest of the three, so it gets the most hours. Biology needs 88.4, so it comes next. History needs a 78, so it gets the fewest.

This is our way to split the time, not a rule. Your syllabus decides how each grade is worked out.

If a grade you want is out of reach even with a 100, the calculator says so. Put those hours where a grade can still move.

Step 2. Find out what each final covers

First, check whether each final is cumulative (it covers the whole course) or only covers the last unit or two. The syllabus usually says. If it doesn't, ask your instructor.

Then look at the clues your class has already given you: the study guide or review sheet, practice questions your instructor handed out, the quizzes and homework you got back, and the learning objectives in the syllabus. A topic that shows up in several of those goes near the top of your list.

Here's the full method for ranking a final's topics by those clues, with the order we'd trust them in and a worked example.

If the final is cumulative

  • Start with the units you remember least, not the ones you liked most.
  • Use the midterms and quizzes you got back as a self-test: cover the answers, redo the questions, then check.
  • Check whether the syllabus or the study guide puts more weight on the later units. Some cumulative finals do, and some don't.

Step 3. Spread each class over several days

A review of 317 experiments found that spreading out study of the same material beat studying it all at once, and that the best gap between study sessions gets longer the longer you need to remember it.

In a study of more than 1,350 people learning trivia facts, the best gap between first studying and reviewing was about 20 to 40% of the time between the review and a test a week later. For a test a year later, it was about 5 to 10%.

A rough rule based on that study: if your exam is a week away, review about 1 to 2 days after you first study. That rule of thumb is ours, not the study's finding.

With several finals, mix them

Study two classes a day instead of one class at a time. Each topic then gets a gap of a day or two before it comes back, and no class goes a week untouched. This is our suggestion, not a research finding.

Here's how the three example classes from Step 1 could fit into 10 days, with the history final on day 6, statistics on day 8 and biology on day 10. Through day 7, each day mixes two classes. After the statistics final, biology is the only class left. Every topic comes back on a later day before its final.

An example plan: three made-up finals over 10 days
DayLearnReview or test yourself
Day 1Statistics: probabilityHistory: unit 1None
Day 2Statistics: distributionsHistory: unit 2None
Day 3Statistics: confidence intervalsHistory: unit 3Statistics: probabilityHistory: unit 1
Day 4Statistics: hypothesis testsStatistics: distributionsHistory: unit 2
Day 5Biology: cellsHistory: practice test on units 1 to 3
Day 6History finalBiology: geneticsStatistics: confidence intervals, hypothesis tests
Day 7Biology: evolutionBiology: cellsStatistics: practice test on all four topics
Day 8Statistics finalBiology: ecologyBiology: genetics
Day 9NoneBiology: practice test on all four units
Day 10Biology finalNoneNone

Statistics gets the most sessions (8), biology the next most (7) and history the fewest (6), the same order as Step 1. Your days will look different. The point is the pattern: new topics early, and every topic back at least once before its final.

Step 4. Test yourself, don't reread

In one experiment, students who tested themselves remembered 61% of a passage a week later, vs 40% for students who only reread it.

A large research review rated practice testing and spaced practice as the two most useful study techniques. Rereading and highlighting were rated low.

Three ways to test yourself for a final:

  • Cover your notes and write down everything you remember about a topic. Then check what you missed.
  • Do the practice problems before you look at the worked answers.
  • Turn each line of the study guide into a question, and answer it the next time that topic comes up, without looking.

When you're out of days

If a final is tomorrow, there's no time to spread anything out. Spend tonight on the top of that class's ranked topics, and test yourself on them instead of rereading.

Fair game, and off-limits

Fair game

  • Everything your instructor gave your class: slides, the study guide, practice questions, and old exams they posted.
  • Your own graded work: the quizzes, homework and midterms you got back.
  • Asking your instructor what to focus on.

Off-limits

  • Leaked or stolen exams, and answer banks.
  • Other students' graded work.
  • Anything your syllabus says not to share or upload.
Read our academic integrity page

Doing this for every class

Class Speedrun does this from your files. Drop in the files your course lets you use, like the syllabus, study guide and slides for each class, and it ranks the topics most likely to be on your exam, with the reason for each, then plans short study sprints. Your plan brings topics back on later days. It can be wrong, so check your Skip list against your study guide. Free for one class.

Plus Finals covers every class for 3 weeks: $9.99, one payment, nothing renews.

Plan my finals

Questions

How early should I start studying for finals?

Early enough to study each topic on more than one day. How far apart those days should be depends on how far away the exam is: Step 3 has the research, and a rough rule for a final a week away. With several finals, start with the class where the most is at stake (Step 1).

Should I study for one final at a time?

Our suggestion is to mix two classes a day instead. That way each topic gets a gap of a day or two before it comes back, and no class goes a week untouched. In the last day or two before a final, give that class most of your time. This is our advice, not a research finding.

How many hours a day should I study for finals?

We haven't found a reliable study that gives one number, so we won't make one up. What matters more is how you split the hours you have: more for the finals where your grade can move the most (Step 1), spread over several days (Step 3), and spent testing yourself (Step 4).

What if I need a high score on a final?

Work out the exact number first. If you'd need more than 100%, that grade is out of reach on the final alone, and the final grade calculator shows the best grade still possible. Put your hours where a grade can still move, and ask your instructor whether the class has extra credit or a curve.

Open the final grade calculator
Is it OK to use old exams?

Yes, if your instructor posted them or you got them back yourself. No, if they were leaked or stolen, came from an answer bank, or are someone else's graded work. And if your course doesn't allow uploading its materials to outside apps or AI tools, follow that.

Read our academic integrity page

Sources

  1. Cepeda, N. J., Pashler, H., Vul, E., Wixted, J. T., & Rohrer, D. (2006). Distributed practice in verbal recall tasks: A review and quantitative synthesis. Psychological Bulletin, 132(3), 354-380. pubmed.ncbi.nlm.nih.gov/16719566/ (opens in a new tab)
  2. Cepeda, N. J., Vul, E., Rohrer, D., Wixted, J. T., & Pashler, H. (2008). Spacing effects in learning: A temporal ridgeline of optimal retention. Psychological Science, 19(11), 1095-1102. doi.org/10.1111/j.1467-9280.2008.02209.x (opens in a new tab)
  3. Roediger, H. L., & Karpicke, J. D. (2006). Test-enhanced learning: Taking memory tests improves long-term retention. Psychological Science, 17(3), 249-255. doi.org/10.1111/j.1467-9280.2006.01693.x (opens in a new tab)
  4. Dunlosky, J., Rawson, K. A., Marsh, E. J., Nathan, M. J., & Willingham, D. T. (2013). Improving students' learning with effective learning techniques. Psychological Science in the Public Interest, 14(1), 4-58. Summary from the Association for Psychological Science: www.psychologicalscience.org/news/releases/which-study-strategies-make-the-grade.html (opens in a new tab)

Last reviewed: . By the Class Speedrun team.