Education

28 Unique 100 Days of School Shirt Ideas

Reaching the 100th day of school is a milestone that should be celebrated! Although dressing as a 100-year-old is a popular way to celebrate, so is designing or donning a shirt for this special occasion. Regardless of whether you’re a crafty do-it-yourself type or an add-to-cart type, we have you covered. While DIY options can be intricate enough to break out the old Cricut, some can be as simple as adhering stickers on an old T-shirt. The store-bought options are great too since they come in a huge range of styles and sizes. Check out our list below of the best 100 days of school shirt ideas!

Easy DIY 100 Days Shirt Ideas

1. 100 Hearts for 100 Days

Nanny to Mommy

This shirt is so simple to create. Just grab some foam heart stickers, a permanent marker, and your favorite-color tee. Once your stickers are in place, just swap out kindergarten for any grade or keep it simple and just say “Loved 100 days of school”!

Learn more: Nanny to Mommy

2. Pushing Your Teacher’s Buttons

100th day of school shirt ideas include this one. A little boy is wearing a white t-shirt that says Pushing His Teacher's Buttons for 100 Days.
Just Add Confetti

Grab a package of bright-colored buttons or just grab some from a button jar at home. Then get to work gluing them all over a simple white tee. The design for the text on this funny shirt is available in the “school days printables” section on the Just Add Confetti site.

Learn more: Easy 100 Days of School Shirt Idea at Just Add Confetti

3. I Scream for 100 Days

Kids will get a kick out of helping you select and count 100 pom-poms for this adorable 100th day of school shirt.

4. Fly Away With This Cute Idea

100th day of school shirt ideas include this teal shirt that has brightly colored feathers glued to it and stickers that read 100 Days Flew By (100th day of school shirt ideas)
Glued to My Crafts

100th day of school shirt ideas should be equally clever and affordable like this one! All you will need to re-create this shirt are some foam stickers, feathers, and, of course, your trusty glue gun.

Learn more: 100 Days of School Flew By T-Shirt at Glued to My Crafts Blog

5. Rock Out to Celebrate 100 Days

A little boy is shown wearing a t-shirt with guitar picks all over it. It says I Rocked the First 100 Days!
Viva Veltoro

If the little one in your life is a music lover, this is the shirt for them. Glue a bunch of fun guitar picks to a tee, then get as fancy or as simple as you want with the lettering.

Learn more: 100 Days of School Shirt at Viva Veltoro

6. A Shirt Fit for a Superhero

A little girl with her hands on her hips is wearing a white t shirt that says 100 super days and there are many different superhero masks on it.
Suburban Wife City Life

This shirt is for the craftiest among us since you will need a Cricut and some vinyl to create the superhero logos. We definitely think the end result is worth the effort!

Learn more: 100 Super Days Shirt at Suburban Wife City Life

7. Looking Back on 100 Days

A little boy wears a green shirt that has googly eyes on it.
Creating Mary’s Home

Just draw a monster outline with puffy paint, then count out 100 googly eyes of your choosing (they come in fun sizes and colors) to glue onto the shirt.

Learn more: 100th Day of School Shirt at Creating Mary’s Home

8. Build Your Own LEGO Shirt

A white t-shirt has a big 100 in red on it. Inside the zeros are legos that have been glued down.
Always Expect Moore

Generally, we think 100th day of school shirt ideas should include things kids love, like LEGO! Grab some spare LEGO bricks and your glue gun, then get to work re-creating this quirky shirt!

Learn more: 100th Day of School LEGO Shirt at Always Expect Moore

9. A Sweet Shirt for a Big Day

A white t-shirt has a bubble gum machine on it. There are 100 painted on dots for the bubble gum and some felt has been used to make the dispenser part of the machine (100th day of school shirt ideas)
DIY Inspired

Use a paper plate to trace the circle, then let your little one use finger paint to create the 100 gumballs. Finally, cut and glue some felt onto the shirt to create the base of the machine.

Learn more: 100th Day of School T-Shirt Idea at DIY Inspired

10. Buggin’ Out for 100 Days

A little boy is wearing a black sweatshirt that has fake plastic bugs glued all over it. It says Bugging Mrs. P. for 100 days.
Where the Smiles Have Been

If you have a budding entomologist in your life, this shirt is sure to make them smile. Bring them to your local dollar store and let them pick out some plastic bugs to adhere to an old shirt. We think the punny play on words will also bring a smile to your favorite teacher’s face!

Learn more: 100th Day of School Shirt Idea at Where the Smiles Have Been

11. Time Flies

A blue homemade shirt says Time flies 100 days. It has a frog with a big tongue catching flies that are all over the shirt.
Happiness Is Homemade

Use fabric paint to paint on the words and cute frog and then hot-glue 100 little plastic flies all over the shirt!

Learn more: Easy 100th Day of School Shirt Ideas at Happiness Is Homemade

12. Clowning Around

A little boy is wearing a shirt that says clowning around for 100 days! His face is on the shirt with a clown nose and 100 pom poms make up the hair.
Where the Smiles Have Been

Making this 100 days of school shirt isn’t for the faint of heart, but the results are well worth it. Your kiddo will get a kick out of seeing their face on their shirt. We especially love the multi-colored pom-pom hair!

Learn more: 100th Day of School Shirt Idea at Where the Smiles Have Been

13. Retro Mario

A green shirt features Mario from the Super Mario Brothers video game. 100 gold coins are all over the shirt.
Elizavillalba via Pinterest

This unique idea is perfect for the little gamer in your life. We love the way Mario is popping out of the number one. Have your little one help you count out 100 gold coins so they are involved in the crafting too!

14. Erased 100 Days

A shirt says I erased 100 days of school and is covered with actual erasers of all different sizes and shapes.
Jen B./I via Pinterest

This shirt is so unique and fun. Kids will love choosing all of the different types of erasers to glue to their shirt!

15. Cheerios to 100 Days

A t-shirt says cheerios to 100 days. It has a cheerios box drawn on it, spilling real cheerios into a bowl.
100th Day of School Let’s Do It via Pinterest

This idea is so simple, but we love the perfect use of the word “Cheerios” coupled with the perfect-size cereal pieces.

The Best Store-Bought Shirts

16. Unlock 100 Days of School

100th day of school shirt ideas include this black t-shirt that says Level 100 Days of School Unlocked.
Amazon

Let’s face it, kids love video games so why not delight them with this convenient option from Amazon?

Buy it: Video Game Shirt at Amazon

17. Sprinkle a Little Fun on Your 100th Day Celebration

A little girl wears a shirt with pink sleeves that has a cupcake on it and says 100 Days Sprinkled with Fun.
Etsy

This undeniably sweet 100 days of school shirt celebrates 100 days with a tasty treat. We also love that it comes in sizes ranging from toddler to adult double XL.

Buy it: Sprinkle Shirt at Etsy

18. Get Your Cray On!

A black shirt says 100 days of getting your cray-on in primary colors. There are two crayons on the shirt as well.
Etsy

This play on the word “crayon” was too cute to leave off this list of the best 100th day of school shirt ideas. We especially love that it comes in a variety of styles including tank tops, T-shirts, and sweatshirts.

Buy it: Crayon Shirt at Etsy

19. Pop Your Way Through 100 Days

100th day of school shirt ideas include this black shirt that has a pop it fidget toy in rainbow colors. It says Poppin My Way Through 100 Days of School also in rainbow.
Amazon

Bubble-popper fidget toys are all the rage so why not include them on your 100th day shirts? We also love the eye-catching rainbow colors on this shirt.

Buy it: Poppin’ Shirt at Amazon

20. Bringing Sass to the Class

A simple gray shirt has white lettering that says I've been bringing sass to the class for 100 days.
Etsy

Who can resist an adorable rhyme like this one? Simple and to the point, this shirt works equally well for school staff and students.

Buy it: Sass Shirt at Etsy

21. A Dino-rrific T-Shirt

A black shirt has a t-rex on it wearing sunglasses. Text reads 100 days of school. There are crayons in groups of 5 in the background that equal 100.
Amazon

Teach your students to count by fives while delighting them with this cool T-rex shirt! There is an option for every taste since it comes in more than 10 different color combinations. Best of all? It’s under $20!

Buy it: Dinosaur Shirt at Amazon

22. A Heart for Every Day of School

A purple shirt says 100 Days of School And Still Loving It. There are 100 hearts on it in all different colors.
Amazon

While some 100th day of school shirt ideas focus on punny or quippy messages, we love the sweet sentiment of this shirt. This very well-rated shirt is affordable and also comes in a variety of styles.

Buy it: Heart Shirt at Amazon

23. Hanging With Your Gnomies

A pale pink shirt has three cartoon gnomes on it and says 100 days with my gnomies.
Etsy

The funny play on the word “homies” coupled with the adorable gnomes on this 100 days of school shirt make for a sweet option for the 100th day of school. Also, the price is right and the sizes go all the way from newborn to 4XL.

Buy it: Gnome Shirt at Etsy

24. Mission 100 Days Complete

A white shirt says Mission 100 Days Complete with the name Corbin on it
Etsy

Any list of 100th day of school shirt ideas should include some that can be personalized. Your student will be excited to wear their very own Army-themed shirt with their name emblazoned on it!

Buy it: Mission Shirt at Etsy

25. A Shirt for Sports Lovers

A gray shirt has 100 on the top and the two zeros are baseballs. There is a baseball bat underneath. It reads 100 days of school.
Amazon

Need a shirt for the 100th day of school but don’t have a lot of time or money to spend on it? Grab this one from Amazon for the sports lover in your life!

Buy it: Baseball Shirt at Amazon

26. Making Your Teacher Laugh

A shirt says my teacher survived 100 days of me.
Etsy

Regardless of how well behaved your child may be, this shirt will be sure to make any teacher chuckle.

Buy it: My Teacher Survived 100 Days of Me Shirt at Etsy

27. 100 Days Era

A little girl wearing flower sunglasses is wearing a cream colored sweatshirt that says in my 100 days of school era.
Etsy

If you’re a Swiftie (or you just want to prove you’re hip by using some of the latest slang), then this is the sweatshirt for you! Regardless of whether you buy it for yourself or your child (it comes in kids and adult sizes), you’ll be in your cool era in this shirt.

Buy it: In My 100 Days of School Era Sweats at Etsy

28. Celebrate With Equations

A black shirt says Happy then the math equation 9 times 9 plus 6 times 3 plus 1 Day of School in bright lettering.
Amazon

Let kids show off the math skills they’ve worked so hard to acquire in the last 100 days with this fun shirt. If you’re a math teacher, you can give out bonus points to the first student to figure out the equation.

Buy it: Math Formula 100th Day T-Shirt at Amazon

Have ideas for celebrating the 100th day of school? Come and share in our We Are Teachers HELPLINE group on Facebook.

Plus, check out these cute teacher outfits!

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