It's absolutely good and you won't be dissapointed. I got into diving about four years ago and it's one of the best decisions I've ever made. In Myrtle Beach you have a few different choices for school but I would go with one of these two.
http://www.southcarolinadive.com/
http://www.coastalscuba.com/
Good luck and if you have any questions I would be glad to help as much as I can.
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