Elementary school (grades K-5) · San Lorenzo, CA

Bay Elementary

Federal NCES profile for Bay Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063471005846
0/100100/10025/100
👥 S:T ratio
6
🌟 Gifted program
70
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Bay Elementary earns 25/100 on the Resource Investment Index, with class sizes near the California median.

#3 of 5
elementary schools in San Lorenzo · Resource Index
25
Resource Index · Lower
23.4:1
students per teacher
50.2%
free-lunch eligible

Bay Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Bay Elementary ranks #3 of 5 elementary schools in San Lorenzo, CA.

Enrollment

422

California · 2024-25 NCES data

Teachers (FTE)

18.0

Federal CCD staff survey

Students per teacher

23.4:1

vs 21.5:1 California avg

+9% vs state

Free-lunch eligible

50.2%

vs 55.5% California avg

-10% vs state

Student-teacher ratio in context

How Bay Elementary compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Bay Elementary

Bay Elementary is a higher-need, mid-sized elementary school in San Lorenzo, California, enrolling 422 students.

Class loads run somewhat heavier than typical: 23.4:1 puts it in the larger third of California schools by student-teacher ratio.

Its free-meal eligibility rate of 50.2% lands close to the California typical range, neither a high- nor low-need campus by this measure.

With 422 students, its enrollment sits close to the California median campus size.

Its Resource Investment Index lands in the lower third of 9,998 scored California schools.

Against 1,378 statewide peers matched on enrollment and economic need, it ranks mid-pack at #794.

Its student body is led by Hispanic or Latino (52%) and Asian (31%) (diversity index 62/100).

Chronic absenteeism is elevated: 43.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among San Lorenzo's elementary schools, it stands alongside Hesperian Elementary (500 students): Bay Elementary is smaller than that campus by headcount and runs leaner classes (23.4:1 vs 26.3:1).

San Lorenzo Unified also operates Arroyo High (1,499 students) and San Lorenzo High (1,029 students) alongside Bay Elementary.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Bay Elementary compares

Bay Elementary on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 23.4:1 ▲ 9% 21.5:1 15.7:1
Free-lunch eligible 50.2% ▼ 10% 55.5% 51.7%
Enrollment 422 top 57% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

23.4:1
Leaner classes than 7% of US schools, heavier class loads than most.
422
Bigger than 51% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
50.2%
free-lunch eligible - 10% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
23.4:1
students per teacher - 9% above state mean
Top 66% in California - lower ratio than 34% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
43.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,066
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 52.1%
Asian 30.8%
White 8.5%
Two or More 5.7%
African American 1.9%
Native Hawaiian / Pacific Islander 0.9%

Largest group: Hispanic or Latino at 52.1% of enrollment.

Student-body diversity index 62.3/100

Simpson diversity index - at 62.3, Bay Elementary is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for San Lorenzo Unified, which includes Bay Elementary.

$15,066
Per student
-9%
vs California
Avg $16,509
-9%
vs U.S.
Avg $16,593
Revenue mix
Local 36.5%
State 56.3%
Federal 7.1%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Bay Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Arroyo High Larger Similar economic need Similar S:T ratio
San Lorenzo High Larger Higher economic need Lower S:T ratio
Bohannon Middle Larger Higher economic need Lower S:T ratio
Hesperian Elementary Similar size Higher economic need Higher S:T ratio
Washington Manor Middle Similar size Similar economic need Lower S:T ratio

Comparisons are relative to Bay Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

San Lorenzo Unified · 5 sibling schools

View district profile

Similar elementary schools in San Lorenzo

4 comparable elementary schools (grades K-5) serving the same city.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Bay Elementary's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Bay Elementary

How many students attend Bay Elementary?

Bay Elementary has 422 students enrolled. It is an elementary school in San Lorenzo, CA.

What is the student-teacher ratio at Bay Elementary?

The student-teacher ratio at Bay Elementary is 23.4:1, which is 9% higher than the California average of 21.5:1 and 49% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Bay Elementary?

50.2% of students at Bay Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Bay Elementary?

The largest demographic group at Bay Elementary is Hispanic or Latino at 52.1% of enrollment, in San Lorenzo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.3/100.

What is the Resource Investment Index for Bay Elementary?

Bay Elementary has a Resource Investment Index of 25/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Bay Elementary rank among elementary schools in San Lorenzo?

By Resource Investment Index, Bay Elementary ranks #3 of 5 elementary schools in San Lorenzo, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in San Lorenzo on the city page.

Is Bay Elementary a good school?

Bay Elementary earns 25/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in San Lorenzo Unified?

Besides Bay Elementary, San Lorenzo Unified also operates Arroyo High (1,499 students), San Lorenzo High (1,029 students), and Bohannon Middle (606 students). See the San Lorenzo Unified district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.