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LSAT prep while working full time runs on eight to twelve hours a week, not twenty, because hours are not the binding constraint: neither contact hours nor program duration predicted outcomes in the research. Attempt in the morning, review the previous day's set in the evening.
On eight to twelve hours a week, structured around your recovery rather than your ambition. That is fewer hours than most plans assume and it is enough, because hours are not the binding constraint.
The research supports the smaller number more than it supports the larger one. Neither contact hours at p = .489 nor program duration at p = .314 predicted test prep outcomes across 28 studies and more than 16,000 participants, per Hao and colleagues (2025), Review of Educational Research (https://journals.sagepub.com/doi/10.3102/00346543251360775).
So the working professional's advantage is not that they can find more time. It is that the scarcity forces the discipline that unemployed studiers often skip: no aimless volume, no four-hour Sundays that accomplish nothing.
CommitmentWeekly hoursRealistic timeline to a large moveStandard hours, predictable10 to 12Five to six monthsLong hours, predictable8 to 10Six to seven monthsShift work or rotating schedule8 to 10, unevenly distributedSix to eight monthsLong hours plus caregiving5 to 8Eight months or more, and worth planning as such
Weekdays are for small, high-quality, spaced work. Weekends are for the things that need unbroken time. Reversing that, which is the instinct, produces five wasted weekdays and two exhausting weekend days.
SlotLengthWhat goes in itWeekday morning, before work30 to 45 minutesOne mixed set of 8 to 10 questions, attempted onlyWeekday evening20 to 30 minutesReview of the PREVIOUS day's set, never the same day'sOne weekday, skipped entirely0Scheduled, not accidental. Plans without a built-in miss break on the first real missSaturday2 to 3 hoursOne full timed section plus RC passages with the summary drillSunday1 to 2 hoursError journal review across the whole week, looking for patterns rather than questions
Because the delay is doing measurable work. The testing effect rises to g = 0.69 when review comes a day or more after the attempt against g = 0.41 under a day, and feedback roughly doubles the effect overall at g = 0.73 with against g = 0.39 without, per Rowland (2014), Psychological Bulletin (https://pubmed.ncbi.nlm.nih.gov/25150680/).
For someone with limited hours this is close to free score. The same two sessions, arranged in a different order, are worth substantially more.
It also solves a practical problem. Reviewing at the end of a working day is easier than attempting new questions then, and attempting fresh questions before work is easier than reviewing then.
Protect sleep before you protect study hours. Two weeks at six hours a night produced attention lapses equal to one full night of total sleep deprivation, while subjects reported feeling only slightly sleepy, per Van Dongen and colleagues (2003), Sleep (https://academic.oup.com/sleep/article-abstract/26/2/117/2709164).
That self-report gap is the dangerous part: you will not notice the impairment, and it lands on attention rather than on reasoning. Sleep deprivation hits attention lapses at g = 0.762 and reasoning accuracy at g = 0.125, which was not statistically significant, per Lim and Dinges (2010), Psychological Bulletin (https://www.med.upenn.edu/uep/assets/user-content/documents/LimDinges2010MetaAnalysis.pdf).
Practically, on a rotating schedule: study on your two best-rested days each week, whatever days those are, and do nothing on the others. An uneven eight hours beats an even eight hours spread across days when you are impaired.
Massing a week's study into one long session feels productive and tests badly. Spaced practice produced 47.3 percent correct against 36.7 percent massed, with 259 of 271 comparisons favoring spacing, per Cepeda and colleagues (2006), Psychological Bulletin (https://www.yorku.ca/ncepeda/publications/CPVWR2006.pdf).
It also feels better, which is why it persists. Kornell and Bjork (2008), Psychological Science (https://gwern.net/doc/psychology/spaced-repetition/2008-kornell.pdf) found 78 percent of students judged massing as good as or better than spacing while 78 percent actually performed better spaced.
Thirty minutes on five days beats four hours on one, and it is easier to sustain for six months. Both of those things are true at once, which is unusual and worth exploiting.
Five to eight, depending on the target move and the schedule, which is one to two months longer than a full-time timeline for the same result rather than three times longer.
The reason the penalty is small is that the full-time studier's extra hours are largely spent on low-yield activity: more timed sections, more reading about strategy, more volume. Those are exactly the hours the research finds no return on.
What you cannot compress is the spacing. Six months of well-spaced eight-hour weeks will usually beat three months of well-spaced twenty-hour weeks, so choose the longer timeline rather than the denser one when you have the choice.
Every LSAC figure on this page was taken from LSAC's own pages and last checked on July 26, 2026. Prices, dates and policies move without notice, so the source link sits next to each number rather than in a bibliography at the bottom.
Where LSAC has not published something, this page says so in those words rather than filling the hole with a plausible number. That is the difference between a gap and a guess, and only one of them is safe to plan around.
Eight to twelve hours a week, split into short weekday sessions and two longer weekend blocks. Attempt questions in the morning and review the previous day's set in the evening.
Typically five to eight for a large move, which is only one to two months longer than a full-time timeline, because the extra full-time hours mostly go into low-yield activity.
No. Spaced practice produced 47.3 percent correct against 36.7 percent for massed practice in Cepeda and colleagues, and 259 of 271 comparisons favored spacing. Thirty minutes on five days beats four hours on one.
Study on your two best-rested days each week and skip the rest. Chronic short sleep hits attention hardest, at g = 0.762 for lapses in Lim and Dinges, which is precisely what a four-section exam demands.
A few days for the taper is useful; weeks are usually not. Duration shows no dose response, and the last fortnight is better spent sleeping properly than studying harder.
Written by Ali, Georgetown Law, founder of Lovare Institut.
August 5, 2026
August 5, 2026