CEEB stands for College Entrance Examination Board. A CEEB code is a standardized ID number that is assigned to a high school, college, or university.CEEB codes are issued by the Educational Testing Service (ETS). These 4- to 6-digit codes are mostly used in college entrance exams such as the SAT and ACT.imply search the list of schools for the name of a specific school and click on that link to insert the schoolâs CEEB code into the form. The CEEB codes are needed when you register for a SAT tests or send score reports to colleges and scholarship programs.