Enrollment
582
California · 2024-25 NCES data
Elementary school (grades K-5) · Atherton, CA
Adelante Selby Spanish Immersion
Federal NCES profile for Adelante Selby Spanish Immersion, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 14/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063213004973
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 27
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Adelante Selby Spanish Immersion earns 14/100 on the Resource Investment Index, with class sizes larger than 81% of California schools.
- #4 of 4
- elementary schools in Atherton · Resource Index
- 14
- Resource Index · Lower
- 25.3:1
- large classes for California
- 49.2%
- free-lunch eligible
Adelante Selby Spanish Immersion has class sizes larger than 81% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Adelante Selby Spanish Immersion ranks #4 of 4 elementary schools in Atherton, CA.
School address
District: Redwood City Elementary · California
NCES ID 063213004973 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
25.3:1
vs 21.5:1 California avg
+18% vs state
Free-lunch eligible
49.2%
vs 55.5% California avg
-11% vs state
Student-teacher ratio in context
How Adelante Selby Spanish Immersion compares with California and U.S. medians
What stands out at Adelante Selby Spanish Immersion
Adelante Selby Spanish Immersion is a mid-sized elementary school in Atherton, California, enrolling 582 students.
Class loads run somewhat heavier than typical: 25.3:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 49.2% of students eligible for free meals.
Enrollment of 582 puts it in the larger third of California schools by headcount.
Its Resource Investment Index trails 93% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,485 similarly sized, similarly resourced-need California schools statewide, it ranks #1,296, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (81% of enrollment) (diversity index 32/100).
Counselor access is stretched at roughly 582 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 29.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Atherton's elementary schools, it stands alongside Laurel Elementary (658 students): Adelante Selby Spanish Immersion is smaller than that campus by headcount and runs heavier classes (25.3:1 vs 16:1).
Redwood City Elementary also operates John F. Kennedy Middle (808 students) and Clifford Elementary (698 students) alongside Adelante Selby Spanish Immersion.
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 Adelante Selby Spanish Immersion compares
Adelante Selby Spanish Immersion on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.3:1 | ▲ 18% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 49.2% | ▼ 11% | 55.5% | 51.7% |
| Enrollment | 582 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.3:1
Leaner classes than 5% of US schools, heavier class loads than most.
582
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
49.2%
free-lunch eligible
- 11% 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
25.3:1
students per teacher
- 18% above state mean
Top 81% in California - lower ratio than 19% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
29.2%
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
$19,381
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 582 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.
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 81.4%
White 13.7%
Two or More 3.4%
Asian 0.7%
African American 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 81.4% of enrollment.
Student-body diversity index 31.7/100
Simpson diversity index - at 31.7, Adelante Selby Spanish Immersion is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Redwood City Elementary, which includes Adelante Selby Spanish Immersion.
$19,381
Per student
+17%
vs California
Avg $16,509
+17%
vs U.S.
Avg $16,593
Revenue mix
Local 68.1%
State 22.6%
Federal 9.3%
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 Adelante Selby Spanish Immersion Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| John F. Kennedy Middle | Larger | Similar economic need | Lower S:T ratio |
| Clifford Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Hoover Elementary | Similar size | Higher economic need | Similar S:T ratio |
| Roy Cloud Elementary | Similar size | Lower economic need | Lower S:T ratio |
| North Star Academy | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Adelante Selby Spanish Immersion's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 808
- Students per teacher
- 20.7:1
- Resource Index
- 39/100
- Enrollment
- 698
- Students per teacher
- 23.3:1
- Resource Index
- 27/100
- Enrollment
- 675
- Students per teacher
- 24.1:1
- Resource Index
- 25/100
- Enrollment
- 636
- Students per teacher
- 21.9:1
- Resource Index
- 39/100
- Enrollment
- 527
- Students per teacher
- 27.7:1
- Resource Index
- 40/100
Similar elementary schools in Atherton
3 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.
Similar enrollment (~582 students)
Next steps
Verify locally before acting on Adelante Selby Spanish Immersion's federal record.
- Compare Adelante Selby Spanish Immersion against another school. Compare schools
- Redwood City Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Adelante Selby Spanish Immersion
How many students attend Adelante Selby Spanish Immersion?
Adelante Selby Spanish Immersion has 582 students enrolled. It is an elementary school in Atherton, CA.
What is the student-teacher ratio at Adelante Selby Spanish Immersion?
The student-teacher ratio at Adelante Selby Spanish Immersion is 25.3:1, which is 18% higher than the California average of 21.5:1 and 61% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Adelante Selby Spanish Immersion?
49.2% of students at Adelante Selby Spanish Immersion are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Adelante Selby Spanish Immersion?
The largest demographic group at Adelante Selby Spanish Immersion is Hispanic or Latino at 81.4% of enrollment, in Atherton, CA.
What is the Resource Investment Index for Adelante Selby Spanish Immersion?
Adelante Selby Spanish Immersion has a Resource Investment Index of 14/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Adelante Selby Spanish Immersion rank among elementary schools in Atherton?
By Resource Investment Index, Adelante Selby Spanish Immersion ranks #4 of 4 elementary schools in Atherton, 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 Atherton on the city page.
Is Adelante Selby Spanish Immersion a good school?
Adelante Selby Spanish Immersion earns 14/100 on the Resource Investment Index, with class sizes larger than 81% of 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 Redwood City Elementary?
Besides Adelante Selby Spanish Immersion, Redwood City Elementary also operates John F. Kennedy Middle (808 students), Clifford Elementary (698 students), and Hoover Elementary (675 students). See the Redwood City Elementary district page for the complete list.
Related tools
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.