Final answer:
Based on the given information, it is not possible to determine the percentage of offenders on death row who do not have a high school education.
Step-by-step explanation:
The question is asking about the percentage of offenders on death row who do not have a high school education. Unfortunately, the information provided does not directly address this specific question. Therefore, it is not possible to determine the percentage of offenders on death row who do not have a high school education based on the given information.