A lot of schools have partial scholarships for harpists who play in their ensembles this way they ensure they have a harpist in the group. The idea that playing the harp automatically guarantees you a scholarship at college is really misguided but a lot of people do seem to get that idea. Harp often doesn’t get scholarships at all because it is viewed as a non-essential instrument in music programs. The big scholarships go to piano and violin because those are the instruments schools are most judged by.
That’s not to say you couldn’t get one but just to give a more realistic picture.