California Teachers Study

With large, long-term studies like the California Teachers Study, we can learn a great deal about risk factors for cancer and what we can do as individuals and as Californians to control the disease.

What's New?


Data Visualizations

Explore different types of CTS data

Interested in learning more about the different types of data collected by the California Teachers Study? Take a look at our interactive data visualizations.

For Researchers

Learn more about
CTS data sharing
Cumulative Selected Cancers from

Visit our For Researchers page to learn more about the CTS Researcher Platform and the process for proposing an analysis using CTS data.


New projects to study the COVID-19 pandemic
COVID virus

Have questions about participating in California Teachers Study coronavirus 2019 (COVID-19) projects? Learn more here!