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)


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If you enjoy speaking with others and telling stories, podcasts may be the category for you. Podcasts create a listening experience that engages your audience in your history day topic by using voice, sounds, and interviews. Your presentation must follow the annual theme and include your primary and secondary research. You can use your phone along with a variety of online platforms to edit and produce your final podcast.

Note: Podcasts are a California-only category. NHD-CA winning podcasts will not advance to the National History Day contest in Maryland

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Sacramento County Office of Education

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Sacramento, CA 95826

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