Classroom Calculators
Six tools for teachers and study groups: fair group splitting, student picker rotations, flashcard and vocabulary quiz planning, school-day counting, and graduation year projection.
Flashcard Study PlannerSize your flashcard deck and map a spaced-repetition study schedule.ClassroomGraduation Year CalculatorFind your expected high-school graduation year from your current grade.ClassroomRandom Group GeneratorSplit a class into even groups: group counts, remainders, and a fair split plan.ClassroomRandom Student PickerPlan fair calling rotations so every student gets picked without repeats.ClassroomSchool Days CalculatorCount instructional days between two dates, minus weekends and US holidays.ClassroomVocabulary Quiz PlannerSpread a word list across quiz days with cumulative review built in.Classroom
Related areas
Classroom FAQs
Enter the student count and your target group size. The random group generator computes the group count, handles the remainder honestly, and suggests the most even redistribution — because 27 students never divide cleanly into groups of 4.
The school days calculator counts weekdays between two dates and subtracts US federal holidays using each year's actual calendar rules. It's an approximation — your district's calendar has the final word — but it's close enough for pacing a syllabus.
Estimates are planning guides, not professional advice. Read the disclaimer.