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The 100th Day of School
January 21 All day
The 100th Day of School is a fun and educational milestone celebrated in late January or February, marking 100 days of learning for students. First introduced in 1979 by teacher Lynn Taylor, the tradition was inspired by the Math Their Way program and the Days of School Graph, aiming to make numeracy engaging and hands-on for young learners.
This celebration is especially popular among kindergarten to 5th-grade students, helping them understand the number 100 through creative and interactive activities. Schools across the country celebrate at different dates each year; in 2026, celebrations occur roughly between January 21 and February 20.
- Marks a major academic milestone in the school year
- Encourages creativity, numeracy, and critical thinking
- Engages students in hands-on math and literacy activities
- Fosters fun, school-wide community participation
Celebrate this milestone with 100th Day of School-themed designs for students, teachers, and school communities. Perfect for classroom events, school spirit days, and keepsakes to commemorate the year of learning.
Make learning fun, memorable, and hands-on because 100 days of school deserves a celebration!