I agree that July is the "gold standard" for bar results, the pool of first time test takers is much larger.
Nonetheless, these are first time results. Although the numbers are small, if a school has 18 out of 20 first timers pass that's pretty good. Too good to be accidental, IMO.
That why I didn't mention schools like Irvine, which had a 100% pass rate, but only three test takers. I don't think anything can be gleaned from such a small cohort.