I agree, shooting for the stars falls short at the moon, still pretty impressive. That metaphor works great if you have a rocket ship. I dont. I doubt you do either.
But it is true, the average for step 2 this year in september was 230 with a SD of something like 14. Low 220s isn't a bad score, by any means. If you really want to WOW a residency with improvement, bump it up to 240ish or better.
There was a post while back on sdn that went something like this (im paraphrasing):
For Step 1:
230 Good enough to be looked at anywhere
240 Good enough to be considered seriously by any competitive residency
250 Real world stellar, meager SDN
260 SDN competitive
270 Rock star
Because the average is higher on step 2 and you are looking to wow a residency with your score to state you are a 90th percentile competitor and step 1 was a fluke, i'd add 10 points for good measure:
For Step 2:
240 Good enough to be looked at anywhere
250 Good enough to be considered seriously by any competitive residency
260 Real world stellar, meager SDN
270 SDN competitive
280 Rock star
Accurate? Probably not. I have a loose connection to three residency directors (IM, IM, Surg) and they all say 230 is a 230 and good enough for them. How truthful are they when they say that to me? I don't know. Shoot for a 250, land a 240, you will be golden. But don't be bummed if you only hit a 235.