HSC Results. Homebush Boys High School principal, Tim Jurd.

Brilliant marks ... Tim Jurd and the class of 2010 celebrate at Homebush Boys High. Photo: Peter Rae

A WESTERN Sydney public school has jumped 104 positions in Higher School Certificate rankings after focusing on improving literacy skills.

Homebush Boys High, a comprehensive school, leapt from 206 to 102 in the Herald school rankings, based on the proportion of students who scored 90 and above in an HSC subject.