Here is 2010 HSC School Ranking based on the percentage of exams sat that achieved a DA (Distinguished Achievers). Find best high schools in Sydney or top schools in NSW here.

Other types of rankings are also available:
HSC 2010 - Best Schools By Subjects
HSC 2010 - Government School Ranking
HSC 2010 - Private School Ranking
HSC 2010 - School Rankings by All Rounders
HSC 2010 - School Rankings by Top Achievers
HSC 2010 - School Rankings by 1st Place

For other types of ranking or the results of other years, please visit School Ranking Page.

FYI:

2010 school ranking according to "Success rate"(Credits/Attempts x 100):
1 James Ruse Agricultural High School
2 North Sydney Girls High School
3 Hornsby Girls High School
4 Baulkham Hills High School
5 Sydney Girls High School
6 Sydney Boys High School
7 Northern Beaches Secondary College Manly Campus
8 North Sydney Boys High School
9 Sydney Grammar School
10 SCEGGS Darlinghurst
11 Abbotsleigh
12 Ascham School
13 Fort Street High School
14 Kambala
15 Malek Fahd Islamic School
16 Moriah College
17 Normanhurst Boys High School
18 Baulkham Hills High School
19 St George Girls High School
20 Pymble Ladies' College

2010 school ranking according to the percentage of HSC students who scored 90 or above in at least one subject:
1 James Ruse Agricultural High School
2
3
4
5 Ascham School
6
7 Reddam House
8 Kambala
9 Sydney Boys High School
10
11
12 St George Girls High School
13
14 North Sydney Boys High School
15
16 SCEGGS Darlinghurst