Other / mixed grade configuration · San Mateo, CA

Gateway Center

Federal NCES profile for Gateway Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 64/100.

2024-25 NCES dataOther / mixed grade configurationNCES 069103311960
0/100100/10064/100
👥 S:T ratio
85
🌟 Gifted program
30
🎓 Counselors
78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#1 of 3
schools in San Mateo · Resource Index
64
Resource Index · Higher
3.7:1
small classes for California
50.0%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Gateway Center compares with California and U.S. medians

Smaller 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 Gateway Center

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

How Gateway Center compares

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

3.7:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
11
Bigger than 2% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
50.0%
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
3.7:1
students per teacher - 83% below state mean
Top 1% in California - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Support staff
Counselors0.1 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 8 out-of-school
Suspension rate: 45.5 per 100 students. Combined in-school and out-of-school rate: 118.2 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

Hispanic or Latino 81.8%
White 9.1%
Two or More 9.1%

Largest group: Hispanic or Latino at 81.8% of enrollment.

Student-body diversity index 31.4/100

Simpson diversity index - at 31.4, Gateway Center is less mixed than the California school average of 46.0.

Programs

How Gateway Center Compares to District-Mates

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.

Other Schools in This District

San Mateo County Office Of Education · 4 sibling schools

View district profile

Similar other schools in San Mateo

2 comparable other schools (grades Mixed) serving the same city.

Similar other 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 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.

Frequently asked questions about Gateway Center

How many students attend Gateway Center?

Gateway Center has 11 students enrolled. It is an alternative school in San Mateo, CA.

What is the student-teacher ratio at Gateway Center?

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.

What percentage of students receive free lunch at Gateway Center?

50.0% of students at Gateway Center are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Gateway Center?

The largest demographic group at Gateway Center is Hispanic or Latino at 81.8% of enrollment, in San Mateo, CA.

What is the Resource Investment Index for Gateway Center?

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).

How does Gateway Center rank among schools in San Mateo?

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.

Is Gateway Center a good school?

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.

What other schools are in San Mateo County Office of Education?

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.

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.

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.