Elf Application - Students must fill out application to be one of Santa's elves, and write a letter explaining why they would be great at the job - cute idea for persuasive writing as we get closer to break and out of control :)
A Teacher's Dream Grader! This has made grading just as the app suggest, a "Zip!" ZipGrade: Grade paper tests using your iPhone's camera - you could probably just use scantrons but this might also work
Classroom Boggle-with letters! for kids who finish early! First off, I LOVE boggle! Secondly, this is an awesome way to keep kids busy if they finish early and it would be easy to change some letters at the end of each day or the next morning!