- Enrollment
- 491
- Students per teacher
- 18.2:1
- Resource Index
- 38/100
Elementary school (grades K-5) · San Bruno, CA
Allen (Decima M.) Elementary
Federal NCES profile for Allen (Decima M.) Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 12/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063423005393
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 7
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Allen (Decima M.) Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 98% of California schools.
- #5 of 7
- elementary schools in San Bruno · Resource Index
- 12
- Resource Index · Lower
- 33:1
- large classes for California
- 56.4%
- free-lunch eligible
Allen (Decima M.) Elementary has class sizes larger than 98% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Allen (Decima M.) Elementary ranks #5 of 7 elementary schools in San Bruno, CA.
School address
District: San Bruno Park Elementary · California
NCES ID 063423005393 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+71 students YoY
Allen (Decima M.) Elementary grew from 305 students in 2022-23 to 376 in 2023-24 (+23.3%).
Teacher FTE added 13.0 → 16.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+71 students YoY 063423005393 · San Bruno, CA Elementary · SMALL · TRAD
396 enr · 33:1 · 56.4% lunch · RII 12
Nearest enrollment peer: Parkside Intermediate (491 students)
Allen (Decima M.) Elementary grew from 305 students in 2022-23 to 376 in 2023-24 (+23.3%). Teacher FTE added 13.0 → 16.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Allen (Decima M.) Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Parkside Inter
Parkside Intermediate
491 students
- John Muir Elem
John Muir Elementary
486 students
- This school
Allen (Decima M.) Elementary
396 students
- Portola Elemen
Portola Elementary
378 students
- Belle Air Elem
Belle Air Elementary
250 students
- Rollingwood El
Rollingwood Elementary
201 students
What this shows Allen (Decima M.) Elementary reports 396 students on the CCD universe file.
How Allen (Decima M.) Elementary compares
Allen (Decima M.) Elementary is a growing campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 33:1 | ▲ 53% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 56.4% | ▲ 2% | 55.5% | 51.7% |
| Enrollment | 396 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
33:1
Leaner classes than 1% of US schools, heavier class loads than most.
396
Bigger than 47% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
56.4%
free-lunch eligible
- 2% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
33:1
students per teacher
- 53% above state mean
Top 98% in California - lower ratio than 2% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
37.1%
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
$18,103
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
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.
Student demographics
Hispanic or Latino 65.7%
Two or More 15.2%
Asian 13.1%
Native Hawaiian / Pacific Islander 3.5%
African American 1.5%
White 1.0%
Largest group: Hispanic or Latino at 65.7% of enrollment.
Student-body diversity index 52.7/100
Simpson diversity index - at 52.7, Allen (Decima M.) Elementary is more mixed than the California school average of 46.0.
Programs
District finance for San Bruno Park Elementary reports $18,103 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Allen (Decima M.) Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Parkside Intermediate | Similar size | Lower economic need | Lower S:T ratio |
| John Muir Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Portola Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Belle Air Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Rollingwood Elementary | Smaller | Lower economic need | Lower S:T ratio |
Comparisons are relative to Allen (Decima M.) Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 486
- Students per teacher
- 30.4:1
- Resource Index
- 33/100
- Enrollment
- 378
- Students per teacher
- 37.8:1
- Resource Index
- 36/100
- Enrollment
- 250
- Students per teacher
- 25:1
- Resource Index
- 10/100
- Enrollment
- 201
- Students per teacher
- 22.3:1
- Resource Index
- 14/100
Similar elementary schools in San Bruno
6 comparable elementary schools (grades K-5) serving the same city.
Monte Verde Elementary
Standard public school
517 students 23.5:1 students per teacher
John Muir Elementary
Standard public school
486 students 30.4:1 students per teacher
Portola Elementary
Standard public school
378 students 37.8:1 students per teacher
Lomita Park Elementary
Standard public school
277 students 23.1:1 students per teacher
Belle Air Elementary
Standard public school
250 students 25:1 students per teacher
Rollingwood Elementary
Standard public school
201 students 22.3:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~396 students)
Frequently asked questions about Allen (Decima M.) Elementary
How many students attend Allen (Decima M.) Elementary?
Allen (Decima M.) Elementary has 396 students enrolled. It is an elementary school in San Bruno, CA. CCD year-over-year: 305 (2022-23) → 376 (2023-24), up 71.
What is the student-teacher ratio at Allen (Decima M.) Elementary?
The student-teacher ratio at Allen (Decima M.) Elementary is 33:1, which is 53% higher than the California average of 21.5:1 and 110% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Allen (Decima M.) Elementary?
56.4% of students at Allen (Decima M.) Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Allen (Decima M.) Elementary?
The largest demographic group at Allen (Decima M.) Elementary is Hispanic or Latino at 65.7% of enrollment, in San Bruno, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.7/100.
What is the Resource Investment Index for Allen (Decima M.) Elementary?
Allen (Decima M.) Elementary has a Resource Investment Index of 12/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Allen (Decima M.) Elementary rank among elementary schools in San Bruno?
By Resource Investment Index, Allen (Decima M.) Elementary ranks #5 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.
What other schools are in San Bruno Park Elementary?
Besides Allen (Decima M.) Elementary, San Bruno Park Elementary also operates Parkside Intermediate (491 students), John Muir Elementary (486 students), and Portola Elementary (378 students). See the San Bruno Park Elementary district page for the complete list.