You can match into EM with a Step score of 218. Some more competitive programs might be out of your league, but who cares? You'll still get great training!
The NRMP releases a document called Charting Outcomes in the Match every 2 years. The most recent edition came out in 2016, with the results of the March 2016 Match, but a 2018 version is expected to be released in September and may or may not show a trend toward higher Step scores. My guess is that scores will be higher, but not absurdly so. Anyway, the full PDF is here:
http://www.nrmp.org/wp-content/uploads/2016/09/Charting-Outcomes-US-Allopathic-Seniors-2016.pdf , but the relevant chart is at the bottom of this post. Point is, lots of people matched with a Step score in that range.
Research is unlikely to make or break your application (it may help some, but it's not a major form of currency in EM). Instead, your
SLOEs are going to be the most important part of your application - click here for more info if you're unfamiliar with the idea.
Make sure you take Step 2 CK early enough that you'll get your score back before September 15, so that program directors can immediately see it on your ERAS application.
If you can get involved with national organizations like the EMRA student council, or go on Wilderness Medicine trips, or do other interesting things with your life, that will help round out your application as well.
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