How does Thornton High compare to other high schools in Daly City?

Thornton High has a Scope Score of 12.7/100, ranked #1647 among California high schools. 0% of students exceed standard, with a total of 71 students tested across grades and subjects.

What percentage of students exceed standards at Thornton High?

0.0% of students at Thornton High exceed the state standard on CAASPP assessments, while 8.7% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Thornton High?

63.3% of students at Thornton High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Thornton High

High School

Jefferson Union High Daly CitySan Mateo County94014

📍 115 First Avenue

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

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Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

116 students

Student-Teacher Ratio

23:1

Free/Reduced Lunch

56%

Teachers

5 full-time

College & career readiness

Graduation Rate

70.4%

AP Exam Prepared

Not offered

This school may not offer AP courses

A-G Completion

2.0%

College-Going Rate

38.8%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

How this school's scores changed from last year to this year

ELA Year-over-Year

Increased

+7.4 pts DFS change

Math Year-over-Year

Increased Significantly

+25.1 pts DFS change

EL Proficiency (ELPAC)

4.8%

English learners at Level 4 (Well Developed) · 21 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic51.7%

White6.0%

Asian3.5%

Black4.3%

Other34.5%

Performance breakdown

Performance breakdown for Thornton High
Category	Percentage
Exceeded Standard	0.0%
Met Standard	8.7%
Below Standard	91.3%

Score Factors

Holding Back

▼Graduation rate: 70.4%

17.0pp below state avg (state avg 87.4%)

25% weight

▼Exceeded standard: 0.0%

15.7pp below state avg (state avg 15.7%)

20% weight

▼College readiness: 0.0%

AP exam pass rate below state avg (state avg 35.3%)

20% weight

▼Met or exceeded: 8.7%

26.0pp below state avg (state avg 34.8%)

15% weight

▼Chronic absenteeism: 63.3%

29.0pp above state avg (state avg 34.3%)

10% weight

▼Baseline proficiency: 8.7%

Below state baseline (state avg 34.8%)

5% weight

▼Suspension rate: 8.2%

4.1pp above state avg (state avg 4.1%)

5% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

What other rankings don't show you

Most rating sites report "9% proficient" for Thornton High and stop there. Here's what that number hides:

0.0% of students exceeded standard while 8.7% met it. That exceeded rate is 15.7 points below the state average of 15.7%. That's 18.4 points below the Jefferson Union High district average of 18.4%. The 6 nearby schools within ~3 miles average 23.6% exceeded — 23.6 points higher. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 70.4%. 2.0% of students complete A-G requirements for UC/CSU eligibility. 38.8% of graduates go on to college within a year.

Chronic absenteeism is 63.3%, above the state average of 34.3%.

Why the exceeded vs. met split matters →

A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means