San Mateo Union High
San Mateo Union High has 7 ranked schools across high levels with an average Scope Score of 63.6/100 — 19.8 points above the California state average of 43.8. The highest-scoring school is Burlingame High at 83/100, where 48.6% of students exceed the state standard. The district spends $19,450 per student (above the state average of $14,815). Chronic absenteeism averages 21.4%, above the state average. Data source: CDE CAASPP 2025 and NCES fiscal data, analyzed by SchoolScope.
District Analysis
Consistency: Score range of 59.7 points — showing significant variation between schools.
Absenteeism: District chronic absenteeism averages 21.4%, 3.2pp below the state average of 18.1%.
Suspensions: District suspension rate averages 4.2%, below the state average of 1.7%.
Top school: Burlingame High leads the district at 83 with 48.6% exceeding standard.
How we score · Scope Score methodology
School archetypes in San Mateo Union High
Archetypes are data-driven labels based on Scope Score dimensions. Learn more
Student demographics
District averages · California Department of Education enrollment data
District Funding
San Mateo Union High spends $19,450 per student in current expenditures — $4,635 above the state average of $14,815.
Data source: NCES Common Core of Data, Fiscal Survey (F-33) · 2019–2020
Teacher compensation
CDE Form J-90 salary schedule · 2024–25
High Schools (7)
San Mateo Union High has 7 ranked high schools averaging a Scope Score of 63.6 — 16.1 points above the state average of 47.5. 3 of 7 high schools score above 70.
The highest-scoring high school is Burlingame High with a Scope Score of 83 and 48.6% exceeding standard.
| # | School | Score | Exceeded | Met+ | Absent | Susp. |
|---|---|---|---|---|---|---|
| 1 | Burlingame High San Mateo Union High Strong All-Around | 83 | 48.6% | 74.2% | 10.0% | 1.3% |
| 2 | Mills High San Mateo Union High Strong All-Around | 82 | 45.4% | 72.6% | 9.6% | 3.0% |
| 3 | Aragon High San Mateo Union High Strong All-Around | 79 | 44.7% | 70.5% | 8.7% | 2.4% |
| 4 | Hillsdale High San Mateo Union High Strong All-Around | 66 | 32.6% | 57.0% | 13.5% | 2.6% |
| 5 | San Mateo High San Mateo Union High Strong All-Around | 65 | 32.7% | 53.8% | 21.0% | 3.4% |
| 6 | Capuchino High San Mateo Union High Building Momentum | 47 | 18.7% | 43.5% | 22.0% | 4.4% |
| 7 | Peninsula High (Continuation) San Mateo Union High Building Momentum | 23 | 1.5% | 8.7% | 64.9% | 12.1% |
Data source: California Department of Education · CAASPP 2024-25 · Methodology
Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.
What Scope Scores can't tell you about San Mateo Union High
- Class sizes and student-teacher interaction quality
- Quality of arts, music, athletics, and enrichment programs
- Teacher experience, turnover, and professional development
- Campus safety, bullying climate, and social-emotional support
- Parent and community engagement levels
- Quality of special education and gifted programs
- How resources are distributed across schools within the district
Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology