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Elementary Schools in San Lorenzo, California

Below Average2024–25 data9 schools · avg 37.6/100

San Lorenzo, California has 9 ranked elementary schools with an average Scope Score of 37.6/100 — 6.2 points below the California state average of 43.8. The highest-scoring school is Arroyo High at 62/100, where 17.8% of students exceed the state standard on the 2025 CAASPP assessment. San Lorenzo schools average 10.2% exceeded standard (state: 21.6%) — this exceeded-vs-met distinction reveals whether schools push students beyond proficiency or pace toward it. Chronic absenteeism averages 24.4% (above the state average of 18.1%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

Avg Scope Score
37.6
State avg: 43.8
SchoolScope composite
Score Range
45.3
16.8 – 62.1
Avg Exceeded %
10.2%
State avg: 21.6%
CDE CAASPP 2025
Chronic Absenteeism
24.4%
State avg: 18.1%
CDE Attendance 2025
Schools Ranked
9
With Scope Scores

How San Lorenzo schools compare

San Lorenzo's 9 ranked elementary schools average a Scope Score of 37.6 — 6.2 points below the California state average of 43.8. Scores range from 16.8 to 62.1, a 45.3-point spread.

The top-ranked school is Arroyo High with a Scope Score of 62 and 17.8% of students exceeding standard.

Chronic absenteeism in San Lorenzo averages 24.4%, which is below the state average of 18.1%.

How we score · Scope Score weights exceeded (40%), met (22%), growth (15%), absenteeism (10%), suspension (5%), ELPAC (5%), baseline (3%)

Schools in San Lorenzo ranked by Scope Score

#SchoolExceededScore
1Arroyo High
San Lorenzo Unified Building Momentum
17.8%Solid
62/100
2East Bay Arts High
San Lorenzo Unified Building Momentum
5.0%Developing
50/100
3Bay Elementary
San Lorenzo Unified Building Momentum
22.3%Developing
48/100
4San Lorenzo High
San Lorenzo Unified Building Momentum
6.9%Developing
43/100
5Del Rey Elementary
San Lorenzo Unified Building Momentum
13.9%Developing
38/100
6Grant Elementary
San Lorenzo Unified Building Momentum
13.7%Developing
32/100
7Bohannon Middle
San Lorenzo Unified Building Momentum
7.5%Needs Support
30/100
8Edendale Middle
San Lorenzo Unified Building Momentum
2.3%Needs Support
18/100
9Hesperian Elementary
San Lorenzo Unified Building Momentum
2.5%Needs Support
17/100

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.

Private Schools in San Lorenzo

Private schools don't participate in California's standardized testing (CAASPP) and cannot be scored or ranked. Showing enrollment, student-teacher ratio, and affiliation where available.

Redwood Christian Middle School and High School
Brethren · Grades Pre-K-12 · 667 students
13:1Private
St. John Catholic School
Roman Catholic · Grades Pre-K-8 · 152 students
13:1Private
Lighthouse Christian Academy
Mennonite · Grades Pre-K-12 · 97 students
49:1Private
Lea'S Christian School
Presbyterian · Grades Pre-K-5 · 59 students
7:1Private

What Scope Scores can't tell you about San Lorenzo

  • 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 school zones and enrollment boundaries affect access

Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology

Frequently asked questions

Are the schools in San Lorenzo good?
San Lorenzo's 9 ranked elementary schools average a Scope Score of 37.6/100, which is 6.2 points below the California state average of 43.8. 10.2% of students exceed the state standard on average (state average: 21.6%). The Scope Score weights six dimensions: exceeded standard (40%), met standard (22%), grade-level growth (15%), chronic absenteeism (10%), suspension rate (5%), and ELPAC proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best elementary school in San Lorenzo?
The highest-scoring elementary school in San Lorenzo is Arroyo High with a Scope Score of 62/100 and 17.8% of students exceeding the state standard. Rankings are based on SchoolScope's 2025 Scope Score, which measures academic performance and school climate using publicly available California data. See full methodology.
How do San Lorenzo schools compare to the state average?
San Lorenzo elementary schools average a Scope Score of 37.6 vs. the statewide average of 43.8 (6.2 points below). The exceeded rate averages 10.2% vs. 21.6% statewide. Chronic absenteeism averages 24.4% vs. 18.1% statewide. Scores range from 16.8 to 62.1, a 45.3-point spread.
How many schools are in San Lorenzo?
San Lorenzo has 9 ranked elementary 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 proprietary composite rating (0–100) based on six dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, and ELPAC English Learner proficiency. Unlike single-number ratings, the Scope Score separates students who "exceeded" from those who "met" the standard — revealing whether a school pushes students beyond proficiency or paces toward it. Full methodology and weights.

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