Răspuns:
dintre elevi- atribut substantival prep.
la strand - atribut substantival prep.
carui elev- atribut substantival datival
de a rasfoi- atribut verbal
foarte de treaba- atribut adjectival
de aici-atribut adverbial
din spate-atribut adverbial
sa-atribut adj
celorlalti-atribut adj
conform celor-atribut pronominal datival