Well asswipe, scholar is an often misused, misapplied title.
As for "Constitutional scholar", your hero B.H. -Barry- Obama claimed to be one and we see how much a failure and fuggup he was.
Likely he couldn't pass with 70 correct out of the 100 questions.
I'm doubting you could pass either if it was a closed book test.
The important issue is being a knowledgeable citizen and so far my experience is that at least 70% of USA citizens couldn't pass the test with out a lot of cramming at last minute. And even then ....