wonderful textures in this etude 2 f sharp minor and great undertanding of the piano writting. the dynamics are also greatly effective. congrats! you show great skill for piano composition. i have listened to your other etudes too (op. 48).
in overall, i agree with the others that said that your pieces have perhaps more virtuosity that inner substance, but i don't think that bad. at your age the most important is to develop, IMO, mainly the technical side of the music. it would be unfair to expect the great depths of meaning and substance found only in artisticly matured and old-aged composers who have had all kinds of life-experiences. just these life-experiences are able to fill the forms, but without good and sound forms no life- even the most exiting and wonderful life - would be able to find suited vehicles to express itself. anyway these structures are very intersting by itself and all them have one or two brilliant moments which deserves an attentive listening and justify your efforts. so, IMO you should go ahead with your study and devotion to music, for you are already writing very surprising, intersting - and many really deligtful - pieces for a so young composer.
