100th Day of School

The 100th Day of School is a special milestone celebrated in classrooms across Australia. It is a fun and creative event where kids dress up to mark 100 days of learning.

Our collection of 100th Day of School costumes includes a variety of simple and creative outfit ideas that are easy to prepare and perfect for school activities. These costumes are designed to be fun, comfortable and suitable for a full day at school.

Fun and Creative Costume Ideas

From “100-year-old” themed outfits to creative number-based designs, there are many ways to celebrate the 100th day. These costumes are perfect for classroom activities, parades and themed dress-up days.

Easy and Practical for School

Many 100th Day costumes are simple to put together and easy to wear, making them ideal for busy parents and last-minute planning. Comfort is key for a full day of school fun.

Perfect for School Celebrations

These costumes are designed specifically for school environments, helping kids participate in activities while still feeling comfortable and confident.

Fast Delivery Across Australia

We dispatch quickly from Melbourne, helping you get ready for your school event without stress. Shop 100th Day of School costumes with fast delivery across Australia.

Explore More 100th Day Costume Ideas

Looking for simple options? Browse our Easy Costume Ideas for quick dress-up inspiration.

Need something fun and memorable? Explore our Funny Costumes collection.

Looking for themed accessories? Complete the outfit with pieces from our Book Week Accessories collection.

Shopping for boys or girls? You can also explore our Boys Book Week Costumes and Girls Book Week Costumes.

100th Day of School