Project Categories

You may present your research using one of the seven category types shown below. Learn about each one and check out the rules and resources we have to get you started. As you look through these, think about your topic and interests to determine which one you think will work best to present your research.


California History Day students compete in one of three divisions:

  • Elementary  (4th–5th grade)
  • Junior  (6th–8th grade)
  • Senior  (9th–12th grade)

Note: The links for rules below are only the category rules. For the complete rule book click here.

Group or Individual

Students can choose one of the following ways to build their project:

  • Individual Project
  • Group Project  (2–5 students)



The poster is a scaled-down version of the exhibit category. It provides the opportunity for 4th and 5th grade students to get an introduction to History Day. Students can work individually or in groups of 2–5 people.

On your poster you can use quotations and your own words to share the surrounding background that relates to your topic. You should also develop a thesis statement and include evidence that supports it. Your project should show the significance of your topic in history. You can also use images of all kinds (e.g., photos, maps, art images, etc.) and meaningful captions and labels to tell your story and guide the viewer through your display.

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Sacramento County Office of Education

P.O. Box 269003
Sacramento, CA 95826

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