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Celebrate the 100th Day of School with these fun DIY 100 Days of Shirt Ideas that are super quick and easy to make!

collage of 100th day of school shirt ideas

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100 Days of School Shirts

The 100th day of school will be here before you know it, so today we’re showing off 30+ fun ideas to commemorate the occasion with these quick and easy DIY 100 Days of School shirt ideas! 

Many elementary schools (and even some middle and high schools!) celebrate the completion of 100 days of school by having their students create customized 100th Day of School shirts. Most of these shirts generally involve attaching 100 of an object to the shirt along with a clever phrase or saying.

If you don’t have time or energy to make your own 100 Days of School shirts, there are a TON of awesome pre-made shirts available for purchase on Etsy, but if you’re like us, and you love to get those creative juices flowing, check out these 30+ super cool (and easy-to-make!) shirt ideas to get you inspired!

And, if you’d rather use your Cricut cutting machine or SIlhouette machine to do the work for you, be sure to check out our awesome collection of totally FREE 100 Days of School SVG Files.

30+ Easy DIY 100 Days of School Shirt Ideas

Whether you’re looking for teacher shirts for celebrating the 100th day or the perfect t-shirt for your child, these 30+ 100 Days of School ideas make great inspiration for making your own shirts! Most of these adorable 100th day t-shirts feature cute sayings, and can easily be made using cheap items and a hot glue gun. Let’s make this year’s 100th Day of School project a quick one with these fun and easy ideas!

NOTE: I always want to give appropriate credit to the creators of these amazing projects, but unfortunately, even after some significant internet sleuthing, quite a few of these awesome shirts lead me to dead ends with nothing but a photo available. If you created one of these un-credited projects (or know who did!), please drop me an email so I can add your name and/or link to the project! Thank you!

100 days brighter shirt

Gemstone Shirt

Sparkle and shine in this “100 Days Brighter” shirt made with assorted rhinestone gems and jewels!

ive bugged my teacher for 100 days bug shirts

Bug & Insect Shirt

Use plastic bugs to easily whip up this creepy crawly “I’ve Bugged My Teacher for 100 Days!” shirt!

100 super days super hero shirt

Superhero Shirt

Suburban Wife City Life created this “Super” fun Superhero 100 Days of School shirt! If you have a Cricut or Silhouette cutting machine, you can whip this one up in hardly any time at all!

cute 100 days of school gumball shirt

Gumball Machine

This Gumball Machine 100 Days Shirt by DIY Inspired is seriously adorable (and super easy to make!)!

creepin my way to 100 days minecraft creeper shirt

Minecraft Shirt

Minecraft fans will love this “Creeping My Way to 100 Days!” shirt made from green felt squares!

skittles 100 days of school shirt

Skittles Shirt

Felt Happens made this sweet Skittles 100 Days of School Shirt – pick up one in her Etsy shop or be inspired to create your own version!

100 days flew by balloon shirt

Superhero Cape

Although technically not a shirt, this adorable pom pom cape was way too cute not to include in our list of ideas! Such a fun way to celebrate the big day!

100 days smarter he is star wars shirt

Star Wars Shirt

This impressive-looking Star Wars shirt is made from simple lines of puff paint!

having a ball for 100 days basketball shirt

Basketball Shirt

Darice Crafts shared this quick and easy “Having a Ball for 100 Days” shirt using foam basketball stickers. Easy peasy!

time flies 100 days frog eating flies shirt

‘Time Flies’ Frog & Fly Shirt

Use plastic flies or fly stickers to make this cute “Time Flies” 100 Days of School frog shirt!

tally 100 days shirt worn by girl

Tally Shirt

Here’s a simple idea – create a custom shirt with your child’s name and simply add tally marks to the back or front to represent 100 days. Easy peasy! (You can use our tally mark SVG file to make it even easier!)

100 days and counting piggy bank and gold coin shirt

Piggy Bank Shirt

This “100 Days and Counting” piggy bank shirt is a great idea for kids – just add plastic coins!

weve LEGO of 100 days of school LEGO shirt

LEGO Shirt

Let your classmates know that “We’ve LEGO of 100 Days of School!” with this fun LEGO brick shirt!

100 days sprinkled with fun cupcake shirt

Sprinkle Shirt

Powell Shirts can make you this cute “100 Days Sprinkled with Fun” shirt if you don’t want to DIY your own!

i crawled my way through 100 days hungry caterpillar shirt

Hungry Caterpillar Shirt

“I Crawled My Way Through 100 Days” with this cute Very Hungry Caterpillar pom pom shirt!

rocking through 100 days of school rock and roll shirt

Rock N’ Roll Shirt

Quickly DIY this “Rocking Thru 100 Days of School” shirt with glittery foam rock star stickers!

100 fabulous days of school button hair shirt

Button Shirt

Create a 100 Days of School self-portrait out of colorful buttons!

eye made it 100 days googly eye shirt

Googly Eyes Shirt

This google eye covered “Eye Made It 100 Days!” just might be my very favorite 100 Days shirt idea – SO easy and fun!

cotton candy 100 days of school shirt

Cotton Candy Shirt

How sweet is this adorable Cotton Candy 100 Days of School shirt? Grab some pink pom poms and get making!

monster truck i crushed 100 days of school shirt

Monster Truck Shirt

Crushing 100 Days of School with this awesome monster truck shirt idea!

100 days brighter planet and star shirt

Star Shirt

Star stickers make DIYing this “100 Days Brighter” outer space shirt easy peasy!

i survived 100 days bandaid shirt

Band-Aid Shirt

Pick up some fun kid’s band-aids to make this super simple “I Survived 100 Days of School” shirt!

Mario 100 days of school shirt

Mario Shirt

With some scraps of felt, this adorable Mario block T-shirt is a great way to represent 100 Days!

100 Days Flew By feather tshirt

Feather Shirt

Glued to My Crafts made this awesome, colorful shirt from some simple craft feathers! Too cool!

girl modeling blooming 100 days of shirt flower shirt

Flower Shirt

Create a whimsical shirt that shows how much you’ve grown in 100 days with this cute shirt from Design Improvised. All it takes are some pretty faux flowers!

DIY shark tooth shirt for 100 days of school modeled by boy

Shark Tooth Shirt

Take a bite outta 100 days of school with this nifty Shark Tooth Shirt from DIY Inspired.

hands down 100 days smarter shirt on table

Handprint Shirt

For a super quick shirt idea – grab a white t-shirt and a few colors of paint and get ready to get a little messy! Kids will have a great time getting involved in this easy 100 days of school project.

Sonic the hedgehog shirt for 100 days of school celebration

Sonic Shirt

100 days FAST! For some of us, it really does go by SO fast. This Sonic the Hedgehog shirt will be loved by kids and takes only a little time to whip up. Just use a sticker or Sonic patch, and a pack of jump rings to create this special t-shirt.

100 days of school popped on by shirt

Popcorn Shirt

How cute is this DIY popcorn shirt for the 100th day of school?! This awesome 100 days of school t-shirt is so much fun and sure to get lots of love at your kiddos elementary school!

100th day of school clowning around shirt

Clowning Around Shirt

My boys would love this one! This ‘100 days clowning around’ shirt from Where The Smiles Have Been is so cute! If you’re not able to print your child’s photo onto the shirt, encourage them to paint a clown face onto a white shirt instead. Decorate with 100 pom poms for the hair!

boy holding up pokemon themed 100 days of school shirt

Pokemon Shirt

Use small felt circles to make this unique Pokemon-inspired shirt and then outline the words using puff paint or fabric markers. Such a cute idea!

100th day of school dinosaur shirt

Dinosaur Shirt

Take it From Nicole created this colorfully cool dino-mite themed shirt, and we are totally impressed with its simplicity to throw together.

100 day of school shirt made with guitar picks

Guitar Shirt

Viva Veltoro shows us another great way to rock the 100th day! Grab a pack of 100 guitar picks to add to your little one’s 100 Days t-shirt. They’ll surely have the coolest t-shirt design around!

100 days sprinkled with fun shirt

Sprinkle Donut Shirt

Cut small pipe cleaners to create the sprinkled look of this adorable DIY Donut shirt that is perfect for celebrating the day!

I hope that you found something in this huge list of 100th Day of School shirt ideas that inspired you to create your own! Happy 100th Day of School!

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