schoolsbycounty
Compare tool
Static comparison guide

Alameda County vs Santa Clara County vs San Mateo County Schools

Compare Bay Area school outcomes and spending across Alameda, Santa Clara, and San Mateo counties.

School score spread

15 points

Difference between the highest and lowest county School Score in this guide.

Graduation spread

5.6 percentage points

Difference between the highest and lowest county graduation-rate signal.

Spending spread

$1,403 per pupil

Difference between the highest and lowest per-pupil spending value.

Side-by-side county metrics

This table compares Alameda County, CA, Santa Clara County, CA, San Mateo County, CA using NCES 2022-23 public school data and FY 2022 school-finance data. The score is a screening signal, not a district or campus rating.

CountySchool ScoreGraduationSpendingProfile

San Mateo County

California

65/10088.5%$10,097Open county

Alameda County

California

56/10087.4%$8,694Open county

Santa Clara County

California

50/10082.9%$9,513Open county

What the comparison suggests

Read these as decision prompts. A county can lead on one metric and still need careful district-level review before a family chooses a neighborhood.

First school-score screen

Start with San Mateo County, CA if the School Score is your first filter. It leads this guide at 65/100.

Outcome signal to inspect

For graduation-rate context, San Mateo County, CA leads at 88.5%. Compare this with campus-level records before deciding.

Spending context

Spending ranges from $8,694 in Alameda County, CA to $10,097 in San Mateo County, CA. Higher spending can reflect costs, needs, staffing, or services.

How to use this page

  1. Use the leader as a shortlist clue. A higher School Score tells you where the county-level signal is strongest.
  2. Check whether graduation confirms the pattern. When graduation and score point to different counties, inspect local districts more carefully.
  3. Treat spending as context. Spending helps explain resources, but it is not automatically a better-school label.

What it cannot decide

  • It cannot confirm school attendance for a specific home address.
  • It cannot rank magnet, charter, transfer, or specialized programs.
  • It cannot replace a district calendar, transportation, or enrollment-policy review.

Comparison FAQ

How do these Bay Area counties compare for school research?

San Mateo County, CA has the highest current SchoolsByCounty School Score in this guide at 65/100. Treat that as a first screen, then compare individual districts and school assignment rules.

Which county has the strongest graduation-rate signal in this comparison?

San Mateo County, CA has the highest reported graduation rate in this comparison at 88.5%. Graduation rate is one outcome signal, not a complete school ranking.

Can this comparison pick the exact school my child will attend?

No. This page compares counties. Exact school assignment, transfer eligibility, magnet programs, and transportation rules are controlled by local districts and should be verified before a housing decision.