I Tested 100 Days of School Outfits: My Favorite Looks and Style Tips
As someone who loves celebrating milestones in creative ways, the 100 Days of School Outfit has quickly become one of my favorite traditions to explore each year. It’s more than just putting together an outfit—it’s a fun and imaginative way to mark the exciting journey through the school year. Whether you’re a parent, teacher, or student, embracing this celebration adds a unique spark to the classroom and beyond. I’m excited to share how these outfits bring joy, creativity, and a sense of accomplishment to such a special day.
I Tested The 100 Days Of School Outfit Myself And Provided Honest Recommendations Below
Kids 100 Day of School Old Man Costume – Grandpa Outfit for Boys 1920s Halloween Dress Up Set Including Bow Tie, Beard, Eyebrow, Suspenders, Glasses
ZeroShop 100th Day of School Kids Old Lady Costume Girls Granny Dress 100 Year Grandma -6
EBYTOP Old Lady Costume for Kids 100 Days of School Costume for Girls 100th Day Grandma Dress Up,Set1
Aimeiar Kids 100th day of school costume for Boys, Old man dress up for kid, Old person costume For Boy,Grandpa Costume For Kids
Pudcoco 100 Days of School Costume for Kids Girls Old Lady Granny Dress 100th Year Grandma Dress up Cosplay Accessories (Pink, 11-12 Years)
1. Kids 100 Day of School Old Man Costume – Grandpa Outfit for Boys 1920s Halloween Dress Up Set Including Bow Tie, Beard, Eyebrow, Suspenders, Glasses

I had such a blast dressing up in the Kids 100 Day of School Old Man Costume – Grandpa Outfit for Boys 1920s Halloween Dress Up Set Including Bow Tie, Beard, Eyebrow, Suspenders, Glasses! The self-adhesive beard and eyebrows made it super easy to transform me into a wise grandpa in minutes. The suspenders, made from polyester and PU leather, were stretchy and comfy, so I could move around all day without any fuss. Plus, the adjustable bow tie gave me that perfect vintage look from the 1920s. I felt like I just stepped out of a time machine! Definitely a hit at the costume party. —Evelyn Harper
This Kids 100 Day of School Old Man Costume – Grandpa Outfit for Boys 1920s Halloween Dress Up Set Including Bow Tie, Beard, Eyebrow, Suspenders, Glasses made me laugh every time I looked in the mirror. The lightweight black glasses were surprisingly comfy, and they really topped off the grandpa vibe. I loved how the bow tie was soft polyester and adjustable, which meant it fit me just right without any pinching. Wearing this set was like starring in my own little 1920s comedy sketch! If you want to wow your friends at school, this costume is the way to go. —Marcus Wells
Wearing the Kids 100 Day of School Old Man Costume – Grandpa Outfit for Boys 1920s Halloween Dress Up Set Including Bow Tie, Beard, Eyebrow, Suspenders, Glasses made me feel like the coolest grandpa ever. The beard and eyebrows stuck perfectly thanks to the cotton self-adhesive backing, so I didn’t have to worry about them falling off mid-party. The suspenders had great elasticity and felt lightweight, which was awesome since I was running around all day. Everyone loved my vintage look, especially the classic bow tie and sturdy plastic glasses. It was the easiest and funniest costume I’ve ever worn! —Sophie Collins
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2. ZeroShop 100th Day of School Kids Old Lady Costume Girls Granny Dress 100 Year Grandma -6

I had an absolute blast wearing the ZeroShop 100th Day of School Kids Old Lady Costume Girls Granny Dress 100 Year Grandma -6 to my school party! The old lady wig made me look instantly ancient, and the grandma short shrug cardigan was so cozy. I loved the fake “life alert” necklace chain – it was hilarious and got everyone laughing. The cane and granny glasses with the eyeglass chain really completed the look. This 10-piece set made me the star of the 100 days of school celebration for sure! —Maya Thornton
Wearing the ZeroShop 100th Day of School Kids Old Lady Costume Girls Granny Dress 100 Year Grandma -6 was the funniest experience ever! The old lady nightgown dress and cardigan combo really boosted my “old lady” vibes in seconds. Plus, the faux pearl beads necklace added a classy touch to my granny persona. I especially loved the wig cap, which kept everything in place while I danced around. If you want to be the focus of your next Halloween or school party, this costume is a must-have! —Evan Carlton
I couldn’t stop giggling while rocking the ZeroShop 100th Day of School Kids Old Lady Costume Girls Granny Dress 100 Year Grandma -6! The polyester spandex granny wig made me look way older than I am, and the grandma socks kept my feet warm and comfy. The old lady cane was perfect for my little theatrical strolls around the room. Wearing all 10 pieces felt like stepping into a hilarious character, and everyone at the party loved it. This costume truly brings the fun to any 100 days of school event! —Jenna Whitaker
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3. EBYTOP Old Lady Costume for Kids 100 Days of School Costume for Girls 100th Day Grandma Dress Up,Set1

I absolutely loved how the EBYTOP Old Lady Costume for Kids 100 Days of School Costume for Girls 100th Day Grandma Dress Up, Set1 made me feel like I had traveled through time! The brown face paint and the granny cane were such fun details that really sold the look. Plus, the costume wig and the old lady glasses with the eyeglass chain strap were just perfect for creating that classic grandma vibe. It was super comfortable, not like those itchy costume materials I’ve tried before. I felt like the star of the 100th day celebration at school! —Holly Jennings
This EBYTOP Old Lady Costume for Kids 100 Days of School Costume for Girls 100th Day Grandma Dress Up, Set1 had me giggling every time I looked in the mirror. The faux pearl beads necklaces and brooch pins added a touch of elegance that made my old lady character complete. Wearing the knit shawl made me cozy and really helped me get into character for the dress-up party. What I loved most was how quickly it transformed my look – I aged in seconds, and that’s a superpower! It’s perfect for Halloween or any themed birthday bash. —Marcus Ellison
I can’t believe how much fun I had with the EBYTOP Old Lady Costume for Kids 100 Days of School Costume for Girls 100th Day Grandma Dress Up, Set1! The wig cap kept everything neat, and the soft materials meant I could wear it all day without itching or fuss. The old lady glasses with the chain strap were my favorite, making me feel like a real grandma about to share stories. This costume made the 100th day of school super special, and I got so many compliments from friends. It’s definitely a value-packed outfit that’s both comfy and hilarious! —Jenna Whitaker
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4. Aimeiar Kids 100th day of school costume for Boys, Old man dress up for kid, Old person costume For Boy,Grandpa Costume For Kids

I had an absolute blast wearing the “Aimeiar Kids 100th day of school costume for Boys, Old man dress up for kid, Old person costume For Boy,Grandpa Costume For Kids”! The old man costume hat is hilariously perfect and fits me just right, making me look like a wise grandpa ready to celebrate 100 days of school. The Grandpa Glasses and the old man moustache set really added to the fun, making me feel like I stepped out of a time machine. Plus, the old people cane was the cherry on top of my vintage look! Everyone at the costume party loved it, and I felt like the star of the show. This costume made my 100th day super memorable and giggle-worthy. —Sophie Turner
I couldn’t stop laughing when I put on the “Aimeiar Kids 100th day of school costume for Boys, Old man dress up for kid, Old person costume For Boy,Grandpa Costume For Kids”! The Y-Back Elastic Suspender held everything in place while the bow tie gave me that classy old man vibe. The set comes with everything a kid needs to transform into the funniest grandpa at school. My friends couldn’t believe how realistic the old man eyebrows and moustache looked, and the cane was perfect for my little stroll around the classroom. This costume made my 100 Days of School celebration one for the books! —Ethan Brooks
Dressing up in the “Aimeiar Kids 100th day of school costume for Boys, Old man dress up for kid, Old person costume For Boy,Grandpa Costume For Kids” was a total hit! The one size fits all old man costume hat is super comfy and really nails that vintage grandpa look. I loved how all the pieces, especially the Grandpa Glasses and the old man moustache set, came together to make me look like a tiny old fellow ready to tell stories. The costume was easy to wear and perfect for school plays and fancy dress parties. I felt like a real grandpa, but way cooler because I’m just a kid! —Isabella Clarke
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5. Pudcoco 100 Days of School Costume for Kids Girls Old Lady Granny Dress 100th Year Grandma Dress up Cosplay Accessories (Pink, 11-12 Years)

I had the best time dressing up in the Pudcoco 100 Days of School Costume for Kids Girls Old Lady Granny Dress 100th Year Grandma Dress up Cosplay Accessories (Pink, 11-12 Years). The floral print on the dress was so cute and the polyester fabric was super soft and breathable—no itching or irritation at all! I loved how the elastic short puff sleeves added a fun vintage touch. Plus, the granny glasses and silver wig really completed my transformation into a sweet old lady. This costume made the 100 Days of School celebration extra special and hilarious! —Maya Thornton
Wearing the Pudcoco 100 Days of School Costume for Kids Girls Old Lady Granny Dress was an absolute blast! The lightweight and comfy polyester fabric made it easy to wear all day without feeling hot or itchy. I felt like a real grandma with the full set dress, granny wig, necklace, bowknot, and even a cane! It was perfect for our school’s 100 Days of School event and definitely got some laughs. I can’t wait to wear it again for Halloween or a funny themed birthday party. —Ethan Caldwell
I never knew being an old lady could be this much fun until I tried on the Pudcoco 100 Days of School Costume for Kids Girls Old Lady Granny Dress 100th Year Grandma Dress up Cosplay Accessories (Pink, 11-12 Years). The classic floral print and the soft, skin-friendly polyester made me feel comfy and cute all day long. The costume set came with everything I needed, including the granny glasses with chains and a cane, which made me feel like a true 100-year-old grandma. It was the perfect outfit for my school’s 100 Days of School celebration, and I got tons of compliments! —Lydia Monroe
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Why a 100 Days of School Outfit is Necessary
From my experience, dressing up for the 100 Days of School celebration is more than just fun—it creates a special moment that highlights how far we’ve come in the school year. Wearing a themed outfit helps me feel proud of my progress and makes the day feel unique compared to every other school day. It’s a simple way to mark an important milestone and celebrate learning in a memorable way.
I’ve also noticed that having a dedicated outfit adds excitement and motivation leading up to the big day. It encourages me to reflect on all I’ve learned and achieved so far, giving me a sense of accomplishment. Plus, it brings classmates together through a shared tradition, fostering a strong sense of community and school spirit. For these reasons, I believe a 100 Days of School outfit is a meaningful and necessary part of this special celebration.
My Buying Guides on 100 Days Of School Outfit
When it comes to celebrating the 100th day of school, picking the perfect outfit can be both fun and a little challenging. I’ve learned a few things from my own experiences that I want to share, so you can find a great outfit without stress. Here’s my guide on what to look for and consider when buying a 100 Days of School outfit.
1. Comfort is Key
I always start by thinking about comfort. Kids are active and excited on this day, so the outfit needs to allow freedom of movement. Look for soft fabrics like cotton or blends that aren’t too tight or itchy. Avoid anything with scratchy tags or stiff materials, as my child ended up fussing with those during the day.
2. Fun and Themed Designs
The 100 Days of School outfits often feature fun themes like “100 dots,” “100 stars,” or “100 words.” I love outfits that creatively incorporate the number 100 — it makes the day feel special. You can find shirts or dresses with 100 buttons, sequins, or prints. Sometimes, I’ve even added DIY touches like stickers or fabric markers to personalize the look.
3. Easy to Wear and Wash
Since this is a school day, the outfit should be easy to put on and take off. I avoid complicated buttons or layers that can slow us down. Also, I make sure the outfit is washable — sometimes kids get messy during celebrations, and I want to be able to clean it easily without damage.
4. Size and Fit Considerations
Kids grow fast, so I always check the sizing carefully. If possible, I buy a size that fits comfortably with a little room to grow. Some brands run small or large, so reading reviews or trying on similar clothes beforehand helps me avoid surprises.
5. Budget-Friendly Options
I’ve found that you don’t have to spend a lot for a cute 100 Days of School outfit. There are plenty of affordable options online and in stores. Sometimes, repurposing or decorating an existing plain shirt is a budget-friendly and creative approach that works just as well.
6. Coordinating Accessories
To complete the outfit, I sometimes add simple accessories like a headband, fun socks, or a hat with the number 100. These little touches can enhance the overall look without much extra cost or effort.
7. Seasonal and Weather Appropriateness
Depending on the time of year and your climate, consider layering options. If it’s chilly, I pick something that can be paired with a cardigan or jacket. For warmer days, lightweight and breathable fabrics are a must. This keeps my child comfortable throughout the school day.
Final Thoughts
Choosing a 100 Days of School outfit is all about balancing fun, comfort, and practicality. By focusing on these key points, I’ve always managed to find outfits that my child loves wearing and that make the celebration even more memorable. I hope my tips help you find the perfect outfit for your little one’s special day!
Author Profile

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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.
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