Torah: Prizes for learning Torah

Igros Moshe (YD III:87.2) Question: Prizes of honor to encourage students for learning fixed amount?Answer This is a good thing to encourage learning and it is is possibly more effect than monetary prizes. .However my opinion is that every yeshiva needs to have the head of the yeshiva decide what is a good prize. It is also a good idea if several yeshivas join together.  Nevertheless this should not be an obligation but should be done willingly and joyfully. The idea to make a program for all the yeshivas I think is not beneficial because what ever is publicized causes harm.