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

John Muir Elementary

Federal NCES profile for John Muir Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063423005397
0/100100/10033/100
👥 S:T ratio
0
🌟 Gifted program
30
📋 Attendance
70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

John Muir Elementary earns 33/100 on the Resource Investment Index, with class sizes larger than 96% of California schools. It is also more racially and ethnically mixed than most California schools.

#3 of 7
elementary schools in San Bruno · Resource Index
33
Resource Index · Typical
30.4:1
large classes for California
20.3%
free-lunch eligible

John Muir Elementary has class sizes larger than 96% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, John Muir Elementary ranks #3 of 7 elementary schools in San Bruno, CA.

Enrollment

486

California · 2024-25 NCES data

Teachers (FTE)

16.0

Federal CCD staff survey

Students per teacher

30.4:1

vs 21.5:1 California avg

+41% vs state

Free-lunch eligible

20.3%

vs 55.5% California avg

-63% vs state

Student-teacher ratio in context

How John Muir Elementary compares with California and U.S. medians

Larger classes than 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 John Muir Elementary

John Muir Elementary is a mid-sized elementary school in San Bruno, California, enrolling 486 students.

Class loads run heavy: 30.4:1 is larger than about 96% of California schools and 41% above the 21.5:1 state mean, so each teacher carries more students than is typical.

Comparatively few students face economic hardship here, 20.3% free-meal eligibility runs 63% below the California average.

With 486 students, its enrollment sits close to the California median campus size.

Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.

Against 1,230 statewide peers matched on enrollment and economic need, it ranks mid-pack at #686.

Its student body is led by Asian (36%) and Two or More (36%), more mixed than most schools in the state (diversity index 68/100).

12.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.

Among San Bruno's elementary schools, it stands alongside Monte Verde Elementary (517 students): John Muir Elementary is smaller than that campus by headcount and runs heavier classes (30.4:1 vs 23.5:1).

San Bruno Park Elementary also operates Parkside Intermediate (491 students) and Allen (Decima M.) Elementary (396 students) alongside John Muir 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 John Muir Elementary compares

John Muir 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 30.4:1 ▲ 41% 21.5:1 15.7:1
Free-lunch eligible 20.3% ▼ 63% 55.5% 51.7%
Enrollment 486 top 47% - -

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

30.4:1
Leaner classes than 2% of US schools, heavier class loads than most.
486
Bigger than 60% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
20.3%
free-lunch eligible - 63% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
30.4:1
students per teacher - 41% above state mean
Top 96% in California - lower ratio than 4% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
12.1%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$14,553
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 + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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

Asian 36.4%
Two or More 35.6%
Hispanic or Latino 25.7%
Native Hawaiian / Pacific Islander 1.2%
White 0.8%
African American 0.2%

Largest group: Asian at 36.4% of enrollment.

Student-body diversity index 67.5/100

Simpson diversity index - at 67.5, John Muir Elementary is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for San Bruno Park Elementary, which includes John Muir Elementary.

$14,553
Per student
-12%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 77.9%
State 14.0%
Federal 8.1%

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 John Muir Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Parkside Intermediate Similar size Higher economic need Lower S:T ratio
Allen (Decima M.) Elementary Similar size Higher economic need Higher S:T ratio
Portola Elementary Similar size Similar economic need Higher S:T ratio
Belle Air Elementary Smaller Higher economic need Lower S:T ratio
Rollingwood Elementary Smaller Similar economic need Lower S:T ratio

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

Other Schools in This District

San Bruno Park Elementary · 5 sibling schools

View district profile

Similar elementary schools in San Bruno

6 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 John Muir 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 John Muir Elementary

How many students attend John Muir Elementary?

John Muir Elementary has 486 students enrolled. It is an elementary school in San Bruno, CA.

What is the student-teacher ratio at John Muir Elementary?

The student-teacher ratio at John Muir Elementary is 30.4:1, which is 41% higher than the California average of 21.5:1 and 94% higher than the national average of 15.7:1.

What percentage of students receive free lunch at John Muir Elementary?

20.3% of students at John Muir Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of John Muir Elementary?

The largest demographic group at John Muir Elementary is Asian at 36.4% of enrollment, in San Bruno, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.5/100.

What is the Resource Investment Index for John Muir Elementary?

John Muir Elementary has a Resource Investment Index of 33/100 (typical 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 John Muir Elementary rank among elementary schools in San Bruno?

By Resource Investment Index, John Muir Elementary ranks #3 of 7 elementary schools in San Bruno, 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 Bruno on the city page.

Is John Muir Elementary a good school?

John Muir Elementary earns 33/100 on the Resource Investment Index, with class sizes larger than 96% of California schools. It is also more racially and ethnically mixed than most California schools. 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 Bruno Park Elementary?

Besides John Muir Elementary, San Bruno Park Elementary also operates Parkside Intermediate (491 students), Allen (Decima M.) Elementary (396 students), and Portola Elementary (378 students). See the San Bruno Park Elementary 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.

View saved

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.