Earlier quoted context omitted.
You're way off. Comically so. A&P passing grade is more like 70%. It's not a comparable figure to PPL ground school.
You’re right, but I’m wondering where my confusion comes from. I’m absolutely positive something required a much higher %. Maybe a different license or regs changed in the last decade or so?
The FAA testing matrix seems to suggest all are 70% as of now[0]
[0] https://www.faa.gov/sites/faa.gov/files/2022-09/testing_matr...