The Seal of Biliteracy is an award approved by the Illinois State Board of Education and given by the school district in recognition of students who have studied and attained a high level of proficiency in one or more languages in addition to English, by high school graduation. The Seal of Biliteracy is a statement of accomplishment for attaining competency in two or more languages and is viewed as an asset when applying for college admission or employment. Participation by a school, school district, or county is voluntary.