failed general chemistry 1 exam with 56%

[bopper]

Definitely change how you are studying. a 56% is a wake up call.
Definitely do practice tests to see if you know all of the areas they are testing.
Like @Mandalorian said, if you can get a C then stay in.

Here are other ideas:

http://talk.collegeconfidential.com/college-life/1920853-college-is-a-step-up-from-hs-16-tips-on-doing-well-in-college.html