100 Days of School Costume Ideas for Kids

by |January 6, 2020

100 Days of School Costume Ideas for Kids

For many kids, the number 100 is a big milestone. Whether it's counting to 100 for the first time or realizing you just hit your 100th day of school, it's a huge deal! The actual day depends on the school district, but many schools will celebrate 100 days of school in January or February. If your child is taking part in these school festivities, they may want to wear a 100 days of school outfit. Check out our selection of centenarian costumes for kids below!

100-Year-Old Lady Costumes for Girls

100-Year-Old-Lady Costumes for Girls

Girls' Grandma CostumeChild Grandma CostumeKids' Grandma Costume

Many kids who dress up for the 100th day of school wear centenarian costumes, also known as 100-year-old person costumes. Little girls will look cute dressed in floral print dresses paired with comfy cardigan sweaters and spectacles. These grandma costumes already have most of the items included, but you can always add some extra-chunky jewelry and a DIY walker made from PVC pipe and tennis balls.

100-Year-Old Man Costumes for Boys

100-Year-Old Man Costumes for Boys

Child Grandpa CostumeBoys' Old Man Costume KitKids' Grandpa Costume

Old man costumes for kids have a few essential ingredients: bow ties, plaid and sometimes a pair of suspenders. These grandpa costumes for boys already include everything minus a cane. But if you'd like to customize your boy's look or he had a plaid shirt that you want to use already, you can always use the old man costume kit for kids that comes complete with suspenders, a wig and a bow tie. Other fun items to add to your boy's 100-year-old man costume would be some wire-framed glasses and a sweater vest.

100 Days of School Accessories

100 Days of School Accessories

Faux Leather SuspendersRound GlassesRectangular GlassesChild Old Man Wig

If you plan on going the DIY route with your 100-year-old man or woman costume, you're probably still going to need to pick up a few costume accessories. Whether you need some costume suspenders or grandma glasses, you can buy all of the accessories you need online at HalloweenCostumes.com! You can also find items like walking canes and costume jewelry, so take a peek to see what you can add to make your child's 100 days of school outfit picture-perfect.

Other School Costumes

Other School Costumes

Child No. 2 Pencil CostumeGirls' Miss Frizzle CostumeKids' Hand Turkey CostumeChild Book Worm Costume
Kids' Scissors CostumeMiss Fiona Frizzle CostumeChild Gold Star CostumeToddler School Bus Costume

Maybe your child wants to dress up for the 100th day of school and they don't want to wear an old person costume, or they just want to wear a funny costume for spirit week. Whatever the case may be, we have some silly school outfits that are perfect for a classroom setting. Your child can dress like the coolest teacher of all time in a Miss Frizzle costume, or be their favorite school utensil. They can even be that gold star that they always want to see at the top of their school assignment. Also, who could forget that silly hand turkey art project? (Seriously, everyone makes one of those at some point in school!)

We hope you have plenty of 100th day of school dress-up ideas for your child. Whether your child is dressing like a 100-year-old or handing out 100 pieces of candy to the class, it should be a ton of fun! If your kid needs other costumes for school—whether they're doing a presentation on a historical figure, dressing for spirit week or doing a project as their favorite book character—check out our selection of kids' costumes online for the perfect outfit!

Angela Poch
Angela Poch

Angela Poch is an Inbound Marketing Specialist and Resident Crazy Cat Lady at HalloweenCostumes.com, where she is an assistant editor and covers tutorials, crafting and pop culture. Angela has created costumes and props for Halloween events, conventions and Renaissance festivals.

Some of her favorite costumes include 90s Rogue, a custom Jedi, warrior elf, and some nameless Renaissance pirate. (She’s still figuring out how to make a Jedi light-chakram.) You can find her on Twitter @AngelaPoch1 or her cats on Instagram @stardustnebulanova.


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