- Enrollment
- 929
- Students per teacher
- 20.2:1
- Resource Index
- 51/100
Elementary school (grades K-5) · Foster City, CA
Brewer Island Elementary
Federal NCES profile for Brewer Island Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063492005404
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 39
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Brewer Island Elementary earns 52/100 on the Resource Investment Index, with class sizes smaller than 83% of California schools. It is also more racially and ethnically mixed than most California schools.
- #1 of 4
- elementary schools in Foster City · Resource Index
- 52
- Resource Index · Higher
- 17:1
- small classes for California
- 8.1%
- free-lunch eligible
Brewer Island Elementary has class sizes smaller than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Brewer Island Elementary ranks #1 of 4 elementary schools in Foster City, CA.
School address
District: San Mateo-Foster City · California
NCES ID 063492005404 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+3 students YoY
Brewer Island Elementary held near 360 students from 2022-23 to 2023-24 (+3 headcount).
Teacher FTE lost 18.0 → 16.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+3 students YoY 063492005404 · Foster City, CA Elementary · SMALL · TRAD
306 enr · 17:1 · 8.1% lunch · RII 52
Nearest enrollment peer: Bowditch Middle (929 students)
Brewer Island Elementary held near 360 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE lost 18.0 → 16.5 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Brewer Island Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Bowditch Middl
Bowditch Middle
929 students
- Borel Middle
Borel Middle
903 students
- Bayside Academ
Bayside Academy
840 students
- Abbott Middle
Abbott Middle
721 students
- Foster City El
Foster City Elementary
624 students
- This school 306
Brewer Island Elementary
306 students
What this shows Brewer Island Elementary reports 306 students on the CCD universe file.
How Brewer Island Elementary compares
Brewer Island Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17:1 | ▼ 21% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 8.1% | ▼ 85% | 55.5% | 51.7% |
| Enrollment | 306 | top 73% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17:1
Leaner classes than 30% of US schools, heavier class loads than most.
306
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
8.1%
free-lunch eligible
- 85% 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
17:1
students per teacher
- 21% below state mean
Top 17% in California - lower ratio than 83% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
13.7%
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
$19,624
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 306 students, the combined health-and-guidance staffing load for this school.
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
Asian 50.3%
Hispanic or Latino 20.3%
Two or More 13.7%
White 13.4%
African American 1.3%
Native Hawaiian / Pacific Islander 1.0%
Largest group: Asian at 50.3% of enrollment.
Student-body diversity index 66.9/100
Simpson diversity index - at 66.9, Brewer Island Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for San Mateo-Foster City reports $19,624 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Brewer Island Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bowditch Middle | Larger | Similar economic need | Higher S:T ratio |
| Borel Middle | Larger | Higher economic need | Similar S:T ratio |
| Bayside Academy | Larger | Higher economic need | Higher S:T ratio |
| Abbott Middle | Larger | Higher economic need | Similar S:T ratio |
| Foster City Elementary | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Brewer Island Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 903
- Students per teacher
- 18.1:1
- Resource Index
- 47/100
- Enrollment
- 840
- Students per teacher
- 19.1:1
- Resource Index
- 43/100
- Enrollment
- 721
- Students per teacher
- 16.4:1
- Resource Index
- 33/100
- Enrollment
- 624
- Students per teacher
- 18.9:1
- Resource Index
- 33/100
Similar elementary schools in Foster City
3 comparable elementary schools (grades K-5) serving the same city.
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 (~306 students)
Frequently asked questions about Brewer Island Elementary
How many students attend Brewer Island Elementary?
Brewer Island Elementary has 306 students enrolled. It is an elementary school in Foster City, CA. CCD year-over-year: 357 (2022-23) → 360 (2023-24), nearly flat (+3).
What is the student-teacher ratio at Brewer Island Elementary?
The student-teacher ratio at Brewer Island Elementary is 17:1, which is 21% lower than the California average of 21.5:1 and 8% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Brewer Island Elementary?
8.1% of students at Brewer Island Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Brewer Island Elementary?
The largest demographic group at Brewer Island Elementary is Asian at 50.3% of enrollment, in Foster City, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.9/100.
What is the Resource Investment Index for Brewer Island Elementary?
Brewer Island Elementary has a Resource Investment Index of 52/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Brewer Island Elementary rank among elementary schools in Foster City?
By Resource Investment Index, Brewer Island Elementary ranks #1 of 4 elementary schools in Foster City, 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 Foster City on the city page.
What other schools are in San Mateo-Foster City?
Besides Brewer Island Elementary, San Mateo-Foster City also operates Bowditch Middle (929 students), Borel Middle (903 students), and Bayside Academy (840 students). See the San Mateo-Foster City district page for the complete list.