An Academy series could be good in that at least it would be different, away from the starship setting. By the third or fourth year you could graduate some of the older characters and increasingly transition to the series being about low-ranking officers on ships.
However, I wouldn't want it in Abrams' universe, where (only seen ST09 so far) Starfleet appears pretty unprofessional and the late 24th century prime setting (if it still exists) could be too remote for the average viewer.
The Wormhole wrote:
And besides, there's limited story material. You only have four years
would run seven years hurt it.