So when my child was asked to dress like a 100-year-old man this week to celebrate the 100th day of school, I headed my Facebook page to gripe. Where did THIS made-up “holiday” come from?

In one class, students used 100 toothpicks and marshmallows as connectors to create a poster. "Celebrating the 100th Day of school is a great way for elementary teachers to celebrate and reinforce ...

That makes the 100th day of school a great time to pause and acknowledge students’ progress. And by focusing on the number 100, it’s also an opportunity for teachers to reinforce math concepts ...