100th Day of School Dress-Up and Costume Ideas (2024)

100th Day of School Dress-Up and Costume Ideas (1)

Happy (almost) 100th Day of School! It's a great time to take stock of all that you have learned and how far you and your class have come since day one together—and what's a party without a good costume theme?!

Try one of these 100 days of school dress up ideas with your class to celebrate the big 1-0-0.

100th Day of School Costume Ideas and Outfits

Count to 100

One idea is to attach 100 of something to a T-shirt. Get counting with...

Cotton balls!

Feathers!

Pom-poms! Or use anything that can easily be counted out and attached to a shirt, such as googly eyes, puzzle pieces, or stickers.

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Be 100x Loveable

Put your relationships with your students first by wearing 100 of their favorite things. 1st grade teacher Carly Robertson talks to her students about their favorite things and then incorporates them into her 100th Day of School outfit.

Practice self-love by having your students pick 100 photos of themselves to create a wearable collage of their many faces and expressions!

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Go Old School

Mrs. Gunn rocks the walker and fannypack as a 100 year old teacher (while also nine months pregnant—a medical marvel)!

These young "whippersnappers" can make you feel like you're 100 years old. Take a page from Ashley Sharp (One Sharp Bunch) and roll up to class with curlers in and a cozy robe on.

Age really is just a number, baby! Your students can also dress up like they're 100 years old—but be prepared for some extremely cute ensembles.

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100th Day Hats and More

Decorate paper hats with the number 100, memories of the last 100 days, or by drawing 100 of something.

Once you and your students are all in your 100th Day of School outfits, take a photo together to commemorate 100 days! I love this little social media wall from 1st grade teacher Kara, using mylar balloons and a tablecloth as her backdrop.

Have More 100th Day of School Outfit and Costume Ideas?

If you have more 100th Day of School dress-up ideas for teachers or students, let us know by emailing Shaped@hmhco.com or sharing them with us on Twitter (@LeadAndLearn).

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For more ways to celebrate the 100th Day of School with your students:

Find more lesson plans and classroom resources on Shaped.

This blog, originally published in January 2020, has been updated for 2021.

100th Day of School Dress-Up and Costume Ideas (2024)

FAQs

How to dress up for the 100th day of school? ›

A classic 100 th Day of School costume is a grandma costume or old man costume. Look no further – from grey grandma wigs in an array of hairstyles, to a crazy cat lady costumes, kids will find exactly what they're looking for. Team a granny wig with fake glasses to complete their old lady or old man look.

How to dress like 100 days old? ›

100 day at school. Dressing as 100 years old. White hair spray, sunglasses with no lenses, pearl necklace, over sized purse, and house coat.

Do kids dress up for 100 days of school? ›

Age really is just a number, baby! Your students can also dress up like they're 100 years old—but be prepared for some extremely cute ensembles. Decorate paper hats with the number 100, memories of the last 100 days, or by drawing 100 of something.

What to wear to a 100 day celebration? ›

Traditionally, the baby will wear a Longevity Lock on the neck and wear something red for this special occasion. Some also wear special hats, bracelets, and anklets. However, in modern days, many parents choose not to go with traditional looks. 100 Days portraits have been widely westernized in styles.

What is the 100 day dress challenge? ›

For 100 days, Pepperdine Campus Minister Falon Barton wore the same simple black dress. Barton was embracing a sustainability challenge from the clothing company Wool&, which, in 2018, began urging its customers to commit to wearing one of their dresses every day for one-third of the year.

How can I make my hair white for 100 days of school? ›

Dry shampoo works great to make your hair look gray! This was for my daughters 100th day of school. They could dress up like they were 100 years old for school. Make sure you spray their hair in a well ventilated area as the dry shampoo spray can be overwhelming.

What is the meaning of 100 days of school? ›

This marks a point in the year where students are more than half-way through the 180 day school year. It is a time to reflect on all the learning that has taken place so far. The celebration began by a California teacher in 1979 who was trying to help her students understand the concrete lesson of the number 100.

How do you make a 100 day celebration? ›

100 Days Gifts And Presents

Close family members and friends may gift the baby accessories such as a longevity pendant and bangle bracelets for wrists and ankles, while others might choose to give more practical gifts like baby clothes, children's shoes, hats and toys, along with presents for the new mum.

How to make white hair for a fancy dress? ›

Purchase loose white face powder, talcum powder or cornstarch. Pour the powder into a bowl and dip a makeup sponge or brush into the powder. Brush the powder along your temples. Begin graying your hair by brushing the hair along your temples with the sponge or brush, reapplying the powder when needed.

How do you make your hair GREY for a costume? ›

There are several ways to temporarily color your hair gray if you are trying to go all in on a costume. For a quick solution, you can brush talcum powder or white face powder into your hair to coat it, then spray with hairspray to set the...

How to make a boy look 100 years old? ›

Dressing my son like a 100 year old man for 100 day of school. Used glasses that were too big without lenses and put baby powder and hairspray in hair for grey/white effect. High water pants and added cheesy leather tassels to dress shoes. Penny loafers would be a good idea too.

Why do kids dress as old people for 100 days of school? ›

The idea came from the children's TV show Bluey, which has episodes, a book, magazine editions and an image filter about dressing up as “grannies”. Children are also dressing up as 100-year-olds to mark their first “100 days of school,” an idea gaining popularity in numerous places.

How to dress up like you're 100? ›

More like this

100th day of school - 100 year old costume idea. Baby powder in hair, scarf on head, glasses, cardigan, pearl necklaces, skirt, tights, dress shoes and cane.

Why is the 100th day of school a big deal? ›

The 100th day is an important milestone because it means students are more than halfway through the year, as most schools have 180 days in their calendar year. It is also a great occasion to highlight how much children have learned since their academic year began.

How to make a 100th day of school shirt? ›

Easy DIY 100 Days Shirt Ideas

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”!

How to show 100 days of school? ›

100th Day of School Ideas
  1. Write 100 Reasons Why. ...
  2. Create a 100 Things We Love About … ...
  3. Harness That Snack Attack. ...
  4. Create a 100th Day of School Photo Op. ...
  5. Create a 100th Day Snap Cube Challenge. ...
  6. Create a 100th Day of School Costume. ...
  7. Make a 100-Theme Photo Display. ...
  8. Take 100 Steps Around the Classroom.
Jan 9, 2023

How to make hair gray for the 100th day of school? ›

Step 1: Section off the hair that surrounds your side part (1/2 inch to 1 inch on both sides) and dye that section of hair as close to your natural shade as possible. Step 2: Part your hair on that side to expose dyed hair so that over time, you'll secretly grow out your gray hair underneath.

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