Holloway’s added year at SSM makes some sense. This will provide another year on a quality team against high level opponents which should be more helpful at developing her skills for eventual play at the collegiate level than a red shirt.
As for pursuing her college degree, I think Holloway should be able to take online classes, if available, from a credited college (e.g., any of the Univ of MN campuses) that would earn credits towards a UW degree. Jungels did this her senior year in high school at U of MN. Given Jungels was eligible for early graduation from high school, she apparently was an exceptional student and quite likely also earned Advanced Placement credits that can be applied to college degree requirements. If Holloway is a high performer academically, she would have AP options available also. I am confident SSM’s academic support staff will be assisting her with her options, quite possibly with UW assistance.
The problem with the number of Fs that may be available in 23-24 remains and I will not be surprised if some players use the portal to address their preferences. If my lists of future recruits are accurate, there is the opposite situation looming for the 25-26 season - substantial shortages of Fs and Ds. But all of this is what the coaching staff gets paid to figure out.