The USUE Testing Center offers a wide swath of exam that include college admission tests, GEDs, language certification and credit, certification exams, and many many more. The complete list can be found on their website here.
Certification and Skills Center provides, "open-entry/open-exit learning opportunities. Courses are non-credit and can be completed at your own pace. The Certification and Skills Center provides hands-on training for students, community members and businesses to improve skills in computer systems, language arts and math, and more." To learn more about their offerings, check out their website here.