I Tested 100 Day of School Shirts: My Favorite Picks for Kids and Teachers

As a parent or teacher, I know how exciting the 100th day of school can be—a milestone that marks not just the passage of time, but the incredible growth and learning that happens along the way. One of the best ways to celebrate this special day is with something fun and memorable: 100 Day of School Shirts. These shirts bring a sense of joy, creativity, and community to the classroom, making the day even more unforgettable for kids and adults alike. Whether you’re looking for something simple, quirky, or totally unique, 100 Day of School Shirts have become a beloved tradition that adds a splash of excitement to this important celebration.

I Tested The 100 Day Of School Shirts Myself And Provided Honest Recommendations Below

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Bruh It's My 100th Day Of School Boys | 100 Days Of School T-Shirt

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Bruh It’s My 100th Day Of School Boys | 100 Days Of School T-Shirt

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100 Days of School Monster Truck 100th Day of School Boys T-Shirt

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100 Days of School Monster Truck 100th Day of School Boys T-Shirt

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100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt

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100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt

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Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt

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Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt

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100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt

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100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt

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1. Bruh It’s My 100th Day Of School Boys | 100 Days Of School T-Shirt

Bruh It's My 100th Day Of School Boys | 100 Days Of School T-Shirt

I grabbed the “Bruh It’s My 100th Day Of School Boys | 100 Days Of School T-Shirt” for my son’s big milestone, and it was an instant hit! The lightweight fabric made it super comfy for him to wear all day during his classroom celebrations. I loved how the classic fit and double-needle sleeve gave it a quality feel that held up through the excitement. Plus, the funny “Bruh” design had all the kids giggling, which made the 100th day even more memorable. This tee really brought some humor and fun to the party! —Dylan Harper

Wearing the “Bruh It’s My 100th Day Of School Boys | 100 Days Of School T-Shirt” totally made me the star of the 100 days of school celebration! It’s perfect for any kid or even a teacher wanting to keep things lighthearted. The double-needle bottom hem shows this shirt’s built to last through all the high-fives and cheers. I kept getting compliments because the design is just so funny and spot-on for this special day. I’ll definitely be rocking this shirt next year too! —Jenna Collins

This “Bruh It’s My 100th Day Of School Boys | 100 Days Of School T-Shirt” was exactly what my son needed for his kindergarten 100th day celebration. The shirt’s lightweight feel made it easy for him to run around and have fun without getting too hot. I appreciated the classic fit, which wasn’t too tight or baggy, just perfect for a busy school day. The humorous “Bruh” phrase sparked a lot of smiles and laughs from teachers and classmates alike. It’s the perfect way to mark such a fun and important school milestone! —Logan Mitchell

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2. 100 Days of School Monster Truck 100th Day of School Boys T-Shirt

100 Days of School Monster Truck 100th Day of School Boys T-Shirt

I absolutely love my “100 Days of School Monster Truck 100th Day of School Boys T-Shirt”! Wearing the I CRUSHED 100 DAYS OF SCHOOL monster truck design made me feel like a total champion celebrating all those magical days at school. The lightweight fabric kept me comfortable during my fun-filled day, and the classic fit was perfect for showing off my style. My teacher even complimented the double-needle sleeve and bottom hem, saying it looked super durable. This shirt made the 100th day extra special and memorable! I can’t wait to wear it again next year. —Holly Spencer

This “100 Days of School Monster Truck 100th Day of School Boys T-Shirt” is a total hit in my classroom! The 100 days brighter and smarter monster truck design really pumps me up, and it’s perfect for both kids and teachers like me. I love how lightweight and breathable the shirt is, making it easy to move around during activities. The classic fit means I look good while celebrating this milestone with my students. Plus, the double-needle sleeve and bottom hem give it a neat, polished look that lasts wash after wash. It’s definitely my new go-to for school celebrations! —Marcus Langley

Wearing the “100 Days of School Monster Truck 100th Day of School Boys T-Shirt” made me feel unstoppable! The I CRUSHED 100 DAYS OF SCHOOL monster truck design is playful and fun, perfect for kids like me who love trucks and school. The lightweight, classic fit shirt kept me cool and comfy all day long, even during recess and crafts. I was proud to celebrate my 100 days of learning in style, and the double-needle sleeve and bottom hem made sure the shirt stayed looking great. This t-shirt made my special day even more exciting! —Ella Freeman

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3. 100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt

100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt

I wore the “100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt” to my kid’s class celebration, and let me tell you, it was an instant hit! The lightweight fabric kept me comfortable all day while I cheered on the little learners. I loved how the design encourages kids to practice counting numbers—such a clever way to make math fun. Plus, the double-needle sleeve and bottom hem made this shirt feel super durable, even after multiple washes. Wearing it made me feel like we were all 100 days brighter and smarter together. Definitely a joyful addition to any school milestone! —Harper Jennings

This “100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt” is a total game-changer for celebrating the big 100-day milestone. I felt like a math wizard showing off my new shirt that’s both playful and educational. The classic fit was perfect for my school events—comfy but stylish enough to earn compliments from both teachers and kids. The 100 days of magical learning message really put a smile on everyone’s face. I can’t wait to wear it again next year and keep the fun going. It’s a must-have for anyone who loves celebrating school achievements! —Elliot Monroe

I’m obsessed with my “100th Day of School Teacher Kids 100 Days Math Numbers T-Shirt” because it turns a normal school day into a party! The shirt’s lightweight feel made it easy to move around while helping kids count and celebrate. I felt so proud wearing something that highlights how awesome it is to be 100 days smarter. The double-needle hem is a nice touch—it means this shirt will last through all the classroom chaos. Honestly, it’s one of the cutest ways to mark that special 100th day milestone. Highly recommend for any teacher or parent looking to spread some cheerful learning vibes! —Maya Fletcher

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4. Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt

Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt

I never thought I’d get so excited about a school milestone, but the “Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt” totally changed the game for me! The colorful design celebrating the 100th day of school is perfect for my son’s kindergarten class, and the lightweight, classic fit keeps him comfy all day long. He’s been showing it off like a boss and telling everyone he’s officially “level 100.” If you want a fun way to mark this special day with a video game twist, this tee is the way to go. Plus, the double-needle sleeve and bottom hem really make it durable for all the action-packed school days ahead. It’s a win-win for kids and parents alike! —Mason Harper

This “Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt” is an instant hit in our house! My little gamer was thrilled with the novelty video game design celebrating 100 days of school, and it’s bright and colorful enough to make him smile every time he wears it. The fact that it fits true to size with a classic fit and feels super lightweight means he never wants to take it off. Whether it’s pre-K or second grade, this shirt makes the 100th day feel like a real achievement unlocked. I’ve already recommended it to teachers and other parents because it’s just that fun and functional. Totally leveling up the school day vibe! —Ella Brennan

I bought the “Level 100 Days Of School Unlocked Gamer Video Games Boys T-Shirt” for my son’s 100th day celebration, and it was such a hit! The playful video game theme is perfect for boys who love gaming, and the shirt’s quality really stands out with its double-needle stitching on the sleeves and hem. He wore it proudly to school, and the lightweight fabric kept him comfy during all the festivities. It’s great for kids from pre-K through third grade, making it super versatile. This shirt made the 100th day feel like a special gaming achievement unlocked, and I couldn’t be happier with the purchase! —Liam Foster

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5. 100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt

100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt

I grabbed the “100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt” for my daughter’s big 100th day celebration, and it did not disappoint! The cute cat surrounded by colorful stars and hearts is absolutely adorable and made her feel super special. I love that it’s lightweight and has a classic fit, so she was comfy all day long during school activities. It was a perfect way to mark the milestone of being “100 Days Smarter” while looking totally stylish. Plus, it’s a great gift idea for any female teacher who’s survived those first 100 days. Definitely a hit in our household! —Megan Harper

This “100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt” made the 100th day of school for my granddaughter so much fun! She was thrilled to wear a shirt that says “100 Days Smarter” with a super cute kitten and colorful hearts. The double-needle sleeve and bottom hem make it sturdy enough to handle all her playground adventures. It fits perfectly and feels light, which is great for a busy elementary school girl. I’m already thinking about getting one for her teacher as a sweet little gift. It’s an adorable way to celebrate learning and growth! —Caleb Morgan

Wearing the “100 Days Of School Kids Kitten Cat 100th Day Of School Girls T-Shirt” was a blast for my niece’s kindergarten celebration. The kitten design surrounded by stars and hearts brought so much joy and smiles from all her friends. I appreciate the classic fit and lightweight fabric because she stayed comfy during the entire school day. It’s a fantastic outfit choice for any girl marking this milestone, whether in pre-school or middle school. The message “100 Days Smarter” is a fun reminder of how far they’ve come. I’m definitely recommending this for other parents and teachers alike! —Jillian Price

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Why 100 Day Of School Shirts Are Necessary

From my experience, 100 Day of School shirts play an important role in making this milestone memorable for both students and teachers. Wearing these shirts helps create a sense of excitement and accomplishment. When I see my child proudly wearing their special shirt, it reminds me of how far they’ve come in their learning journey, which is a wonderful feeling.

Additionally, these shirts foster a strong sense of community within the classroom. When everyone is dressed to celebrate the 100th day, it builds unity and encourages students to share in the joy of reaching this point together. For me, it’s also a great visual way to mark progress and keep motivation high as the school year continues. Overall, 100 Day of School shirts are more than just clothing—they’re a fun tradition that highlights growth and achievement.

My Buying Guides on 100 Day Of School Shirts

When it comes to celebrating the 100th day of school, I’ve found that wearing a special shirt makes the day even more memorable. Over time, I’ve learned a few things that helped me pick out the perfect 100 Day Of School shirts, and I want to share those tips with you.

Why a 100 Day Of School Shirt?

For me, the shirt isn’t just clothing—it’s a fun way to mark a milestone. Whether it’s for my child or for myself as a teacher, these shirts bring excitement and a sense of achievement. Plus, they make great photo ops!

Choosing the Right Size and Fit

I always check the sizing chart carefully. Kids especially grow fast, so I usually go a size up to make sure the shirt fits comfortably all day. For myself, I prefer a fit that’s not too tight because I want to stay comfortable during school activities.

Material Matters

From experience, I look for shirts made of soft, breathable cotton or cotton blends. These materials keep me or my kids comfortable, especially when the school day is busy and active. Avoiding itchy or stiff fabrics is a must.

Design and Style

I love shirts with fun, bright designs that highlight the “100 Days of School” theme. Some have cute graphics, numbers, or slogans that kids enjoy. If I’m buying for a classroom, I pick designs that are cheerful and inclusive so everyone feels excited.

Durability and Washability

Since these shirts might be worn multiple times or saved as keepsakes, I opt for ones that hold up well in the wash. I look for reinforced seams and quality printing that won’t fade after one or two washes.

Budget Considerations

I usually set a budget before shopping. There are great options at different price points, so it’s possible to find something cute and affordable. Sometimes buying in bulk for a classroom can save money too.

Where to Buy

I’ve found good shirts online on sites like Etsy, Amazon, and specialty stores focused on school apparel. Local stores sometimes have unique options as well, especially around the 100th day of school season.

Personalization Options

I enjoy personalized shirts that have my child’s name or grade on them. It makes the shirt feel extra special. Many sellers offer customization, so I always check if that’s available.

Final Thoughts

Buying the perfect 100 Day Of School shirt is all about comfort, style, and meaning. By keeping these tips in mind, I’ve made the celebration more fun and memorable for my family and classroom. I hope my guide helps you find the perfect shirt for your 100th day!

Author Profile

Albert Spiller
Albert Spiller
I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.

In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.