Lindsey Henderson, a secondary-mathematics specialist for the Utah board of education, talks about data science during a seminar at Pleasant Grove High School in Pleasant Grove, Utah, on May 30, 2023.

Math is not just a classroom subject; it’s a foundational civic resource. In a data-driven society, numeracy is essential for making decisions evaluating information and holding leaders accountable.

The California State Board of Education voted to adopt a new—and much-debated—math framework on Wednesday, concluding a years-long process that involved three drafts, prompted hundreds of ...