NCAA Eligibility Center-
The advantages of competing in college sports are both immediate and lifelong. Participating in college sports provides opportunities to learn, compete and succeed. Student-athletes receive top-notch academic support, quality medical care and regular access to outstanding coaching, facilities and equipment.
http://www.ncaa.org/student-athletes/future/academic-standards-initial-eligibility
NCAA Eligibility Timeline
For a detailed look at what the requirements are for NCAA athletic participation and a timeline for activities you should be doing in order to be on pace academically, check out the NCAA eligibility timeline linked above.
NAIA Eligibility Requirements | Academic Criteria
The NAIA is tasked with ensuring student-athletes are academically eligible to compete in their sport at an NAIA member institution. Athletes must also provide the correct documentation to the NAIA to show that they meet these requirements. We've listed out the requirements and records students need to provide to the NAIA in order to be academically eligible.
https://www.ncsasports.org/naia-eligibility-center