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Thornton High School

Preschool | Grades 9-12 | Jefferson Union High
115 First Ave
Daly City, CA 94014
(650) 550-7840

About This School

Thornton High School is located in Daly City, CA and is one of 5 high schools in Jefferson Union High School District. It is a alt. school that serves 230 students in grades 9-12.

Alternative schools are public schools that offer nontraditional education for students whose needs cannot be met in a regular, special education, or vocational school. While alternative schools are distinct from regular, special education, and vocational schools in their teaching approach or classroom environment, they can provide similar services and/or curriculum for students. Alternative schools include schools for potential dropouts, residential treatment centers for substance abuse, schools for chronic truants, and schools for students with behavioral problems. See Thornton High School's test results to learn more about school performance.

A school's Academic Performance Index (API) is a scale that ranges from 200 to 1000 and is calculated from the school's performance in the Standardized Testing and Reporting (STAR) Program. The state has set 800 as the API target for all schools to meet.

Thornton High School had an API growth score of 523 in 2012. California uses the Academic Performance Index (API) to measure annual school performance and year-to-year improvement. Thornton High School's 2012 base score was 499 and the school did meet its 2012 school-wide growth target.

In 2010, Thornton High School had 13 students for every full-time equivalent teacher. The California average is 24 students per full-time equivalent teacher.

Student Ethnicity (2011)

Students (2011)


Students Per Teacher (2010)

Female/Male (2011)

42% 58%

Subsidized Lunch (2011)


District Spending (2010)

per student
See All Test Scores

All Grades Algebra I Performance

CST Results
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Thornton High School Reviews

By , a Parent on

My son had no chance of graduating from Westmoor when he started at Thornton. He not only graduated but he cared about his future. I appreciate all the hard work that this school has done towards his education. He didn't have to settle for a GED. He got his disploma!!! Thank you!!

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