100th Day Of School 2025 Shirt Ideas. As the 100th day of school approaches, parents and children alike are getting ready to celebrate this milestone in a fun and creative way. We have 30 last minute 100th day of school shirt ideas that are still cute and fun and you can totally pull together the night before if needed!

The 100th day of school is just around the corner, and we’ve got some seriously awesome project ideas to celebrate this big milestone with fun themes like unicorns, rainbows, sonic, and. This can improve counting skills and give children a fun keepsake to take home.