35 Unique 100 Days of School Shirts To Buy or DIY

Reaching the 100th day of school is a milestone that should be celebrated! Lots of schools invite students to dress for the occasion, often in 100 Days of School shirts. You’ll find lots of options to buy online, but many of the ideas in this roundup are easy enough to DIY instead. Regardless of whether you’re a crafty do-it-yourself type or an add-to-cart type, our list has you covered!

100 Days of School Shirts To Buy or DIY

These 100 Days of School shirt ideas can be as easy as clicking a few buttons on a shopping website. But if you’re feeling creative, you can embellish the shirts for a personalized touch with our DIY tips. You can also just buy a plain tee and create the whole thing from scratch. It’s up to you!

Opting to go the DIY route? Here are a few basic supplies you might need.

Pushing My Teacher’s Buttons

This one’s for all the mischievous-but-lovable kids out there!

Make it: Add the text using fabric paint or foam letters to a plain tee, then glue or sew 100 buttons all over the shirt. You can even create a pattern or picture with the buttons.

Buy it: Pushing My Teacher’s Buttons Shirt and 100 Colorful Buttons at Amazon

100 Days Flew By

Seriously, you blink twice and it’s months later!

Make it: This one is so easy to re-create at home. Glue 100 feathers to a shirt, surrounding the text “100 Days Flew By.”

Buy it: 100 Days Flew By Shirt and Colorful Feathers at Amazon

100 Days Flew Away

Here’s another take on the flying theme, this one with a hot-air balloon instead.

Make it: Use fabric markers to draw a simple hot-air balloon shape on the shirt, then glue 100 pom-poms to fill in the balloon. Add the text, and you’re good to go.

Buy it: 100 Days Flew Away Shirt and Colorful Pom-Poms at Amazon

100 Days of Me!

This shirt is also great way to help kids practice making tick marks when they count!

Make it: Use mini craft sticks to make 20 sets of 5 tick marks, and glue them to the shirt. (You can also just write them on using paint or markers.)

Buy it: 100 Days of Me Shirt and Colorful Mini Wood Craft Sticks at Amazon

I Tackled 100 Days

One hundred days of keeping your eye on the ball? Impressive!

Make it: Cut a football from craft foam and add it to your shirt along with the text. If you’re feeling ambitious, you can cut out 100 small footballs, or sew on 100 football beads instead!

Buy it: I Tackled 100 Days Shirt and Football Beads at Amazon

Friendship Bracelets

Celebrate school friends along with 100 days with this adorable shirt.

Make it: String real beads on yarn, and sew the ends onto your shirt. Use any extra beads to make 100 Days bracelets to wear or share.

Buy it: Friendship Bracelets 100 Days Shirt and Friendship Bracelet Kit at Amazon

I Rocked 100 Days

This shirt hits all the right notes for young music lovers.

Make it: Cut a guitar shape from craft foam and attach it, or draw one yourself with fabric markers or paint. Add the text and then glue 100 guitar picks to the rest of the shirt.

Buy it: I Rocked 100 Days Shirt and 100 Guitar Picks at Amazon

Shirt reading 100 Days of School showing 100 LEGO bricks — Amazon

Gum-Believable

You may not be able to chew gum in class, but you can still wear this shirt!

Make it: Use a paper plate and fabric marker to trace the circle, then fill it in with 100 pom-pom gumballs. Cut out and add a craft foam base, and don’t forget the text!

Buy it: 100 Days Gum-Believable Shirt and Colorful Pom-Poms at Amazon

Shirt reading 100 Days of Bugging My Teacher — Amazon

Bugging My Teacher for 100 Days

Can’t get enough creepy crawlies? Try this shirt!

Make it: Sew or glue 100 insects to a tee surrounding the text. You can use realistic bugs or look for cuter options instead.

Buy it: Bugging My Teacher Shirt and Toy Bugs at Amazon

Sprinkled With Fun

This shirt is sweet!

Make it: Cut cupcake parts out of craft foam and glue them to your shirt. Then, cut colorful pipe cleaners into small pieces and glue/sew them on for “sprinkles.”

Buy it: Sprinkled With Fun Shirt and Colorful Pipe Cleaners at Amazon

Time Flies

Ribbit, ribbit! Hop your way into your 100th day with this clever shirt.

Make it: Cut a frog from craft foam or paint one on your shirt. Then, sew or glue on 100 little plastic flies for a clever touch.

Buy it: Time Flies Shirt and Plastic Flies at Amazon

100 Days in the Books

Here’s the perfect shirt for all the bookworms out there!

Make it: Glue miniature books all over your shirt. If you’re really creative, you can customize the covers to reflect some personal favorites.

Buy it: 100 Days in the Books Shirt and Miniature Books at Amazon

100 Axolotl Days

This one is sure to be a hit because kids love axolotls!

Make it: Add your pun-filled text, then glue or sew 100 tiny axolotl figures to your shirt. If you don’t want to deal with the tiny toys, pick up some axolotl stickers instead.

Buy it: Axolotl Days Shirt and 50 Mini Axolotls at Amazon

Shirt showing the numbers 1 to 100 and text Days of School — Amazon

Count the Days

Learning to count to 100 is a big deal, which makes it the perfect way to celebrate 100 days.

Make it: Use foam numbers or write them with fabric markers instead. This is a fantastic educational activity for little ones to do all on their own.

Buy it: Numbers Shirt and Foam Number Stickers at Amazon

In My 100 Days Era

“So make the friendship bracelets, take the moment and taste it. …” Swifties everywhere will love this one!

Make it: Add the text, then attach 100 music notes to a shirt. You can cut them out of craft foam or just use sparkly stickers instead.

Buy it: In My 100 Days Era Shirt and Music Note Stickers at Amazon

Shirt reading 100 Days of School with 100 small dinosaurs — Amazon

100 Dino Days

RAWR! This shirt has dinos for days and days.

Make it: Grab a pack of 100 dinosaur stickers and add them to your shirt. Try adding a fun dino pun like “Dino-soaring into 100 Days!”

Buy it: 100 Days of Dinos Shirt and 100 Dinosaur Stickers at Amazon

Get Your Cray On

Try this one for kids who love to color!

Make it: Use up your stubby old crayons or buy a new box, then glue 100 of them to your shirt.

Buy it: Get Your Cray On Shirt and 100 Crayons at Amazon

Shirt reading 100 Days of School and Loving It with 100 hearts — Amazon

100 Days of Loving School

Show off your enthusiasm and love for your school with this shirt idea.

Make it: Cut 100 hearts out of craft foam and attach them to your shirt, or use sparkly foam stickers instead.

Buy it: Loving School Shirt and Sparkly Heart Stickers at Amazon

I Crushed 100 Days

This shirt is perfect for kids who can’t get enough monster trucks!

Make it: Add monster truck stickers alongside the text on a plain tee, and you’re all set!

Buy it: I Crushed 100 Days Shirt and Monster Truck Stickers at Amazon

More Easy DIY 100 Days Shirt Ideas

Grab a plain tee and a few supplies to make one of these cool DIY 100 Days of School shirts. We’ve provided some suggested text and embellishment ideas, so let the creativity flow!

I Spy 100 Days

a student wearing a neon pink shirt with the words — Adrienne Hathaway for We Are Teachers

Add 100 adhesive wiggly eyes of all sizes to your shirt, along with the text “I Spy 100 Days of School.”

Buy it: Adhesive Wiggly Eyes at Amazon

Clowning Around for 100 Days

Drawn a clown face on the front of your shirt, then add 100 colorful pom-poms to make a 3D rainbow wig!

Buy it: Colorful Pom-Poms at Amazon

I Erased 100 Days

Here’s a great way to make good use of all those mini erasers: Glue them to a 100 Days shirt!

Buy it: 180 Assorted Mini Erasers at Amazon

Cheerios to 100 Days

a student wearing a yellow shirt with a box of cheerios and a spoon with 100 cheerios to celebrate 100 days of school — Adrienne Hathaway for We Are Teachers

Count out 100 pieces of cereal and glue them to your shirt. If you’re feeling especially creative, you can show them pouring from a cereal box into a bowl, and glue on a plastic spoon too.

Hanging With My Gnomies

Start with the text “100 Days of Hanging With My Gnomies,” then add gnome stickers. Adorable and easy!

Buy it: 100 Gnome Stickers at Amazon

Popping My Way

Pop up a batch of plain popcorn, then count out a hundred pieces and glue or sew them to your shirt. Add the text “Popping My Way Through 100 Days!”

Mission Complete

Pick up a camouflage T-shirt, then add text saying “Mission Complete: 100 Days of School.”

Buy it: Camouflage Youth Shirt at Amazon

100 Days Brighter

a student wearing a white shirt with the number 100 outlined in jewels to celebrate the 100th day of school — Adrienne Hathaway for We Are Teachers

For those who love to sparkle, this is the perfect shirt to celebrate 100 days! Just add 100 gems and the text “100 Days Brighter!”

Buy it: 100 1-Inch Adhesive Gems at Amazon

100 Ways To Make 100

This one’s for all the math lovers out there! Use fabric markers to write 100 different equations that make 100. Examples: 10 X 10, 1,000 / 10, 75 + 25, etc.

I Survived 100 Days

Check out the first-aid section and pick up a selection of different bandage styles and designs. Add them to your shirt to show “I Survived 100 Days of School!”

Buy it: Colorful Bandages at Amazon

100 Days of Growing

a student wearing a white shirt with the words — Adrienne Hathaway for We Are Teachers

Pick up some inexpensive silk flowers and remove the stems, then glue or sew them onto a shirt with the text “100 Days of Growing.”

Buy it: Glitter Foam Flowers at Amazon

Putting It All Together

Write the text “100 Days of Putting It All Together at School” on your shirt. Then, pick up an inexpensive 100-piece puzzle at the dollar store and glue on the pieces, assembled or scattered around.