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Schools in 94403 — San Mateo, California: 94403 schools average near the state. The 40.1-point spread is where the choice actually lives.

94403 has 8 ranked schools in San Mateo, averaging a Scope Score of 40.6/100 — within 0.1 points of the state average of 40.7 (a state average weighted to 94403's own mix of school levels; CDE CAASPP 2025). Scores range from 26.2 to 66.3, a 40.1-point spread.

How 94403 schools perform

The top-ranked school is Hillsdale High with a Scope Score of 66 and 32.6% of students exceeding standard.

Cohort growth among 94403's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +80 scale-score points across 4 schools in 94403 with a large enough tested cohort. Scale scores rise with grade for nearly every school, so this describes the cohort's trajectory, not a ranking against other zip codes — worth examining school by school.

Chronic absenteeism across 94403 averages 20.1%, near the state average of 18.5%, weighted to 94403's own level mix. CDE CAASPP 2025.

How 94403 compares to nearby zip codes

ZipCityMilesSchoolsAvg Scorevs 94403
94403San Mateo840.6/100
94402San Mateo1.1743.3/100+2.7
94401San Mateo1.6455.8/100+15.3
94002Belmont2.1675.7/100+35.2
94404Foster City2.9564.4/100+23.9
94070San Carlos3.3381.6/100+41.0

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 94403

4 On the Rise2 Strong All-Around2 Building Momentum

Hidden gems: 4 schools in 94403 are classified as On the Rise (4) — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 94403

ranked by Scope Score · 2024–25 CAASPP

Figures
Score range26.2 – 66.3
40.1 pts SchoolScope composite
Chronic absenteeismstate avg 18.5% (level-matched)

Elementary Schools (6)

avg 36.5/1006 ranked elementary schools3 Developing, 1 Strong, +2 more
#SchoolExceededScore
1George Hall Elementary
San Mateo-Foster City Strong All-Around
42.6%86th percentile · StrongScope Score 59/100
2Meadow Heights Elementary
San Mateo-Foster City Building Momentum
22.0%59th percentile · SolidScope Score 40/100
3Bayside Academy
San Mateo-Foster City On the Rise
16.0%44th percentile · DevelopingScope Score 34/100
4Fiesta Gardens International Elementary
San Mateo-Foster City On the Rise
11.8%43rd percentile · DevelopingScope Score 33/100
5Beresford Elementary
San Mateo-Foster City Building Momentum
16.8%29th percentile · DevelopingScope Score 28/100
6Laurel Elementary
San Mateo-Foster City On the Rise
10.3%24th percentile · Needs SupportScope Score 26/100

Middle Schools (1)

avg 39.0/1001 ranked middle schools1 Solid
#SchoolExceededScore
1Abbott Middle
San Mateo-Foster City On the Rise
16.9%56th percentile · SolidScope Score 39/100

High Schools (1)

avg 66.3/1001 ranked high schools1 Strong
#SchoolExceededScore
1Hillsdale High
San Mateo Union High Strong All-Around
32.6%83rd percentile · StrongScope Score 66/100
Source: CDE CAASPP 2025 · 8 schools in 94403Methodology · Explore all schools

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 94403

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 94403 (San Mateo) good?
94403 has 8 ranked schools in San Mateo, averaging a Scope Score of 40.6/100 — within 0.1 points of the state average, a benchmark weighted to 94403's own mix of school levels. 21.1% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 94403?
The highest-scoring school in zip code 94403 is Hillsdale High with a Scope Score of 66/100 and 32.6% of students exceeding the state standard. See full methodology.
How do 94403 schools compare to the state average?
Schools in zip code 94403 average a Scope Score of 40.6/100 — within 0.1 points of the state average of 40.7, a state average weighted to zip code 94403's own mix of school levels. The exceeded rate averages 21.1% vs. 20.7% statewide (also level-weighted).
How many schools are in zip code 94403?
Zip code 94403 has 8 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's composite rating (0–100), built from publicly available California school data across academic-performance and school-climate signals. Full methodology and weights.