California State Testing Data Breach May Impact Millions Of Students, Officials Say

CBS Bay Area

October 21, 2026

A data breach involving a testing company may have compromised information on millions of students across California, state education officials said.

The California Department of Education (CDE) on Friday disclosed the breach involving the Educational Testing Service (ETS), which is under contract to provide state and federally required testing to all students enrolled in the state's public schools.

ETS provides support for the state's assessment programs, including the California Assessment of Student Performance and Progress and the English Language Proficiency Assessments for California.

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