The Collaborative International Dictionary
Schoolship
Schoolship \School"ship`\, n. A vessel employed as a nautical training school, in which naval apprentices receive their education at the expense of the state, and are trained for service as sailors. Also, a vessel used as a reform school to which boys are committed by the courts to be disciplined, and instructed as mariners.
Wiktionary
schoolship
alt. 1 (context nautical English) A vessel used for the education and training of sailors 2 (context nautical English) A vessel used as a reformatory n. 1 (context nautical English) A vessel used for the education and training of sailors 2 (context nautical English) A vessel used as a reformatory
Usage examples of "schoolship".
That makes this as much a schoolship as a research and exploration vessel.