Question

Make a 6 day schedule for a school with 25 students. Each day the students are divided in a different way into 5 groups of 5 students. Never are are two students in the same group more than one time during the week

Answer 1

Label your students the letters of the alphabet A-Z. Start with Day 1 and draw 5 circles and put labels A-E into the first circle, etc. With Day 2, draw 5 circles and put label A into the first circle, alongside with F, then K, etc. Proceed with Days 3-6. Dunno if Day 6 works.

Answer 2

yea...they have to be in 5 x 5 squares