彼らは学校で頑張っている

Meaning
they do their best in school

Vocab used in this sentence

he, his, him, boyfriend
la, ra, from, et al
a, the, is, am, are, will
学校
school, academy
in, at, on, with, by, over, through
頑張る
try, try hard, insist, persist
the, it, have
いる
are, to be, to stay, to have, necessary, to exist

Jeffrey van Binsbergen won multiple awards showcasing his development skills.