Enrollment
11
California · 2024-25 NCES data
Other / mixed grade configuration · San Mateo, CA
Federal NCES profile for Gateway Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 64/100.
The verdict
Gateway Center earns 64/100 on the Resource Investment Index, with class sizes smaller than 99% of California schools. It is also one of the smallest schools in California.
Gateway Center has class sizes smaller than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Gateway Center ranks #1 of 3 schools in San Mateo, CA.
NCES ID 069103311960 Verify on NCES CCD record →
Enrollment
11
California · 2024-25 NCES data
Teachers (FTE)
3.0
Federal CCD staff survey
Students per teacher
3.7:1
vs 21.5:1 California avg
-83% vs state
Free-lunch eligible
50.0%
vs 55.5% California avg
-10% vs state
How Gateway Center compares with California and U.S. medians
Smaller classes than state median
3.7:1 - 17.8 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Gateway Center is a higher-need, small combined-grade school in San Mateo, California, enrolling 11 students.
Classes run notably small here: at 3.7:1, Gateway Center is leaner than roughly 99% of California schools and 83% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 50.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 98% of California schools, with 11 enrolled.
Its Resource Investment Index outscores 98% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Against 47 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #7.
Its student body is predominantly Hispanic or Latino (82% of enrollment) (diversity index 31/100).
Counselor coverage is strong, about 110 students per counselor, inside the American School Counselor Association's recommended 250:1.
Discipline events run high: 13 in- and out-of-school suspensions were reported for 11 students in the 2021-22 Civil Rights Data Collection.
Among San Mateo's public schools, it stands alongside Hillcrest at Youth Services Center (16 students): Gateway Center is smaller than that campus by headcount and runs leaner classes (3.7:1 vs 8:1).
San Mateo County Office of Education also operates San Mateo County Special Education (44 students) and Hillcrest at Youth Services Center (16 students) alongside Gateway Center.
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
Gateway Center on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3.7:1 | ▼ 83% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 50.0% | ▼ 10% | 55.5% | 51.7% |
| Enrollment | 11 | top 98% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 81.8% of enrollment.
Simpson diversity index - at 31.4, Gateway Center is less mixed than the California school average of 46.0.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| San Mateo County Special Education | Larger | Similar economic need | Higher S:T ratio |
| Hillcrest at Youth Services Center | Larger | No free-lunch data | Higher S:T ratio |
| Canyon Oaks Youth Center | Smaller | No free-lunch data | Higher S:T ratio |
| Margaret J. Kemp | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Gateway Center's own figures; each column derives from NCES Common Core of Data.
2 comparable other schools (grades Mixed) serving the same city.
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 Gateway Center'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.
Gateway Center has 11 students enrolled. It is an alternative school in San Mateo, CA.
The student-teacher ratio at Gateway Center is 3.7:1, which is 83% lower than the California average of 21.5:1 and 76% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
50.0% of students at Gateway Center are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Gateway Center is Hispanic or Latino at 81.8% of enrollment, in San Mateo, CA.
Gateway Center has a Resource Investment Index of 64/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Gateway Center ranks #1 of 3 schools in San Mateo, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in San Mateo on the city page.
Gateway Center earns 64/100 on the Resource Investment Index, with class sizes smaller than 99% of California schools. It is also one of the smallest schools in California. 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.
Besides Gateway Center, San Mateo County Office of Education also operates San Mateo County Special Education (44 students), Hillcrest at Youth Services Center (16 students), and Canyon Oaks Youth Center (8 students). See the San Mateo County Office of Education district page for the complete list.
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.
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Last updated:
PlainSchools, “Gateway Center, San Mateo CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/gateway-center-ca
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