The State Seal of Biliteracy is a recognition by the State Superintendent of Public Instruction for graduating high school students who have attained a high level of proficiency in speaking, reading, and writing in one or more languages in addition to English. The State Seal of Biliteracy is marked by a gold seal affixed to the diploma or transcript.

To earn the California State Seal of Biliteracy, graduating high school seniors must demonstrate proficiency in English and one or more languages in addition to English. See reverse for details.