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Curriculum Pacing Guide Calculator (Lessons per Week & Catch-Up)

Build a pacing guide from the lessons or chapters left and the teaching days remaining — lessons per day and per week after removing testing, holidays and a buffer, the projected finish date, whether you are ahead or behind, and the catch-up pace or the lessons to cut to finish on time.

Lessons (or chapters) in the course
Lessons completed
Today
Last teaching day
Class meetings per week
Days lost to testing, assemblies, holidays, review
Buffer for reteaching
Your current pace (lessons per week; 0 = not tracked)
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How it works

usable days = (weeks × meetings per week − days lost) × (1 − buffer) · pace = lessons left ÷ usable days · per week = pace × meetings per week · weeks needed at current rate = lessons left ÷ rate

A pacing guide is the honest arithmetic of a school year: the calendar looks like 180 days but testing weeks, assemblies, snow days and review shave a couple of dozen off, and a buffer for the reteaching that quizzes will demand shaves more, so the curriculum has to fit in what is left. Dividing the remaining lessons by those usable days gives a pace that can be checked every Friday against the lesson number reached, and comparing it with the actual rate says early — while there is still time to act — whether to speed up, trim the low-priority lessons or deepen the enrichment. Setting quarter-point milestones makes drift visible long before June.

Worked example

With 90 of 120 lessons left, 37 weeks to the last teaching day at five meetings a week, 14 days lost and a 10% buffer, there are about 152 usable days: 0.59 lessons per meeting, 3.0 a week. A class currently covering 3 lessons a week is on pace and finishes on time; one managing 2.5 would end about 6 weeks short and needs to either speed up or cut around 14 lessons.

Frequently asked questions

How big a buffer should I keep?

10% for an experienced course, 15–20% for a new prep or a class with wide skill gaps. If you never use it, that is enrichment time at the end — a good problem.

What counts as a lesson?

Whatever unit you track: textbook sections, standards, or your own lesson plans. Keep it consistent between "total" and "done", and count a two-day lesson as two.

Related calculators

Planning heuristics from common classroom and homeschool practice (Carnegie units, gradual-release lesson models, grade-level reading rates). Adjust to your curriculum, jurisdiction and students.