27 Fun DIY 100 Days of School Shirt Ideas
We have rounded up the *very best* easy DIY 100 days of school shirt ideas that are perfect for boys and girls! These fun designs are great for kids of any age!
The 100th day of school is such a fun milestone, and what better way to celebrate than with a custom DIY shirt? Whether your kiddo wants to go bold with glitter and paint or keep it quirky with puns and patterns, we’ve rounded up 27 of the best ideas to inspire your craftiness.
Don’t miss our favorite 100 days of school project ideas, counting to 100 worksheets, and these fun and easy 100th day handprint art pages! We also have lots of 100th Day of School activities to choose from!
✏️Don’t Leave Before You Check Out These Seasonal Ideas!✏️
I Rocked The First 100 Days!
Rocking out to 100 days of school in style! This awesome t-shirt is decorated with 100 colorful guitar picks and the phrase ‘I rocked the first 100 days!’—a perfect way to celebrate this milestone with a musical twist!
Bugging My Teacher for 100 Days
This ‘Bugging My Teacher for 100 Days’ shirt is crawling with creativity! Covered in 100 colorful plastic bugs, it’s a hilarious and fun way to celebrate the milestone while keeping things delightfully “buggy”!
100 Stars in The Sky
This “100 Days Brighter” shirt is out of this world! Decorated with vibrant stars, planets, a rocket, and a shining moon, it’s the perfect way to celebrate 100 days of learning with a galactic twist. A stellar milestone in style!
Clowning Around
Clowning around for 100 days! This hilarious shirt features a bright pom-pom wig, a red clown nose, and a cheerful face to celebrate 100 days of school in a playful and colorful way. A project sure to bring smiles all around!
100 Feathers
100 days just flew by! This fabulous t-shirt is decked out with colorful feathers and a sparkly bird design, making it a bright and whimsical way to celebrate the 100th day of school. A stylish and fun milestone creation!
100 Rainbow Rhinestones
Shining bright for 100 days! This adorable t-shirt features a sparkling rainbow made of colorful gems and a smiling cloud, celebrating the 100th day of school in the most cheerful and dazzling way possible. A rainbow of fun!
Colorful Stars
Shining like a star for 100 days of school! This colorful t-shirt is bursting with vibrant stars and the phrase ‘100 Days Brighter,’ making it the perfect way to celebrate this milestone in a fun and dazzling style!
Unicorn Themed Shirt
Celebrating 100 days of school in magical style! This adorable t-shirt features a colorful button rainbow, fluffy cotton clouds, and a cheerful unicorn prancing below. A perfect way to add a little extra sparkle to the milestone!
100 Band-Aids for 100 Days
I survived 100 days of school! This creative t-shirt is covered in colorful bandages, humorously showing the ‘battle scars’ of 100 days of learning, fun, and hard work. A clever and playful way to celebrate the milestone!
100 Gumballs
I blew through 100 days! This creative and colorful t-shirt features a gumball machine filled with bright pom-pom ‘gumballs,’ celebrating 100 days of school with sweet and playful style. A ‘chew-sy’ way to mark the milestone!
Racing Through 100 Days
Racing through 100 days of school in style! These vibrant green t-shirts are decked out with race cars, traffic cones, checkered flags, and the slogan ‘Ready, Set, Go!’ A fun and fast-paced way to celebrate this big milestone!
Driving My Teachers Bananas
Going totally bananas for 100 days of school! This hilarious t-shirt features Donkey Kong surrounded by bright yellow bananas and the phrase ‘Driving my teachers bananas for 100 days.’ A wildly fun way to mark the milestone!
100 Puzzle Pieces
Piecing together 100 days of school! This creative t-shirt features a colorful puzzle design with pieces cascading down, celebrating the milestone in a fun and unique way. A perfect project that’s as clever as it is eye-catching!
100 Super Mario Coins
Leveling up for 100 days of school! This bright red t-shirt features Mario in a fun video game-inspired design, surrounded by 100 golden coins and iconic characters. A super way to celebrate this milestone in true gamer style!
100 Days of Blooming
Celebrating 100 days of blooming! This vibrant green t-shirt is adorned with 100 cheerful daisies, representing growth and learning over the school year. A fresh and beautiful way to mark the milestone!
I Hit 100 Days Out of The Park
Knocking it out of the park for 100 days! This sporty red t-shirt features 100 bright yellow baseballs and the phrase ‘I hit 100 days out of the park,’ making it a grand slam way to celebrate this school milestone!
“I Tackled 100 Days” Football Theme
Game on for 100 days of school! This sporty t-shirt proudly says, ‘I tackled 100 days,’ featuring 100 footballs ready to be colored in. A winning way to celebrate the milestone with creativity and team spirit!
Super Mario “Level 100 Completed!!”
Level 100 completed! This vibrant green t-shirt celebrates ‘100 Super Mario days smarter’ with the iconic Mario and a star-studded design. A power-up way to mark 100 days of school with gaming flair!
Sunny 100 Days of School Brighter
Shine bright like this “100 Days Brighter” t-shirt! Adorned with sparkly gems and a cheerful sun, it’s the perfect way to celebrate 100 days of learning and laughter!
100 Thumbs Up
Thumbs up for 100 days of learning! This colorful fingerprint shirt celebrates being 100 days smarter in the most hands-on way possible!
100 Dinosaurs
This dino-mite shirt roared its way into the 100th day of school! Covered in colorful dinosaur stickers, it’s a prehistoric celebration of 100 days of learning adventures!
100 Gems and Treasures
Ahoy, matey! This treasure-themed shirt celebrates 100 days of school with a pirate’s chest bursting with 100 sparkling gems. It’s a glittering tribute to a treasure trove of learning!
Ninja Turtles Pizza Shirt
This Teenage Mutant Ninja Turtle-inspired shirt is a pizza party on fabric! With felt toppings galore, it celebrates shredding through 100 days of school in totally tubular style. Cowabunga, learning!
“We Have LEGO of 100 Days”
This creative t-shirt is built for fun—literally! Decorated with colorful LEGO bricks, it proudly says, ‘We have LEGO of 100 days!’ A perfect celebration of building knowledge and memories one block at a time.
Monster Truck Crushes 100 Days
This awesome t-shirt totally crushed it for 100 days of school! With a bold monster truck design, vibrant splatter paint, and colorful pom-poms, it’s all about celebrating milestones with style and fun.
100 Pieces of Pasta
This pun-tastic t-shirt celebrates 100 days of school in the most pastable way! Featuring colorful pasta shapes arranged like a delicious plate of spaghetti, it’s a clever and creative nod to a milestone worth savoring!
Koala Themed Shirt
This adorable pink t-shirt features a pom-pom panda that’s as cute as it is creative! Celebrating 100 days of school, the colorful design and playful vibe make this a beary special way to mark the milestone!
Celebrating 100 days of school has never been so much fun—or so fashionable! These DIY shirt ideas make it easy to create something unique, memorable, and totally adorable for your little one to wear.
