Final answer:
Yes, a successful completion of grade 12 is required to become an electrologist.
Step-by-step explanation:
Yes, a successful completion of grade 12 is required to become an electrologist. Electrologists are professionals who use electrolysis to remove unwanted hair permanently. In order to become an electrologist, individuals typically need to complete a high school diploma or equivalent, and may also need to complete a training program and obtain a license depending on the requirements of their state or country.