This practice guide presents six evidence-based recommendations for college and university faculty, administrators, and advisors working to improve the success of students academically underprepared for college. Each recommendation includes an overview of the practice, a summary of evidence used in support of the evidence rating, guidance on how to carry out the recommendation, and suggested approaches to overcome potential roadblocks. Each recommendation includes an implementation checklist as guidance for getting started with implementing the recommendation. Four appendices are included: (1) Postscript from the Institute of Education Sciences; (2) About the authors; (3) Disclosure of potential conflicts of interest; (4) Evidence summary of studies in support of ratings.