Please go to the Department of Education
web page and search for detailed reports on Diamond Bar High School test results and scores.http://dq.cde.ca.gov/dataquest/
When you get to the page choose:
1) LEVEL = School
2) Choose test scores or other metrics you would like to see.
3) Click the SUBMIT button.
On the page that follows, you will be asked for a portion of the schools name. Type Diamond Bar High.