The College -Level Examination Program (CLEP) is a national program of credit-by examination that offers you the opportunity to validate and receive credit for college-level knowledge you already possess. No matter when, where, or how you have learned - by means of formal or informal study - you can take CLEP tests, and, if the results are acceptable to your college, you can receive credit. Questions and Answers. Paperback, 8-1/2"x11".