Enrollment
76
California · 2024-25 NCES data
High school (grades 9-12) · Alameda, CA
Federal NCES profile for Island High (Continuation), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Island High (Continuation) earns 45/100 on the Resource Investment Index, with class sizes smaller than 95% of California schools. It is also more racially and ethnically mixed than most California schools.
Island High (Continuation) has class sizes smaller than 95% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Island High (Continuation) ranks #1 of 3 high schools in Alameda, CA.
NCES ID 060177000048 Verify on NCES CCD record →
Enrollment
76
California · 2024-25 NCES data
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
10.9:1
vs 21.5:1 California avg
-49% vs state
Free-lunch eligible
65.0%
vs 55.5% California avg
+17% vs state
How Island High (Continuation) compares with California and U.S. medians
Smaller classes than state median
10.9:1 - 10.6 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Island High (Continuation) is a higher-need, small high school in Alameda, California, enrolling 76 students.
Classes run notably small here: at 10.9:1, Island High (Continuation) is leaner than roughly 95% of California schools and 49% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 65.0% 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 92% of California schools, with 76 enrolled.
Its Resource Investment Index outscores 96% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Against 220 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #35.
Its student body is led by Hispanic or Latino (45%) and White (19%), more mixed than most schools in the state (diversity index 72/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 76 students per counselor, inside the American School Counselor Association's recommended 250:1.
Among Alameda's high schools, it stands alongside Alameda High (1,868 students): Island High (Continuation) is smaller than that campus by headcount and runs leaner classes (10.9:1 vs 24.9:1).
Alameda Unified also operates Alameda High (1,868 students) and Encinal Junior/Senior High (1,280 students) alongside Island High (Continuation).
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
Island High (Continuation) on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.9:1 | ▼ 49% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.0% | ▲ 17% | 55.5% | 51.7% |
| Enrollment | 76 | top 92% | - | - |
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 45.3% of enrollment.
Simpson diversity index - at 71.5, Island High (Continuation) is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Alameda Unified, which includes Island High (Continuation).
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Alameda High | Larger | Lower economic need | Higher S:T ratio |
| Encinal Junior/Senior High | Larger | Lower economic need | Higher S:T ratio |
| Lincoln Middle | Larger | Lower economic need | Higher S:T ratio |
| Will C. Wood Middle | Larger | Lower economic need | Higher S:T ratio |
| Amelia Earhart Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Island High (Continuation)'s own figures; each column derives from NCES Common Core of Data.
2 comparable high schools (grades 9-12) 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 Island High (Continuation)'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.
Island High (Continuation) has 76 students enrolled. It is a high school in Alameda, CA.
The student-teacher ratio at Island High (Continuation) is 10.9:1, which is 49% lower than the California average of 21.5:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
65.0% of students at Island High (Continuation) are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Island High (Continuation) is Hispanic or Latino at 45.3% of enrollment, in Alameda, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.5/100.
Island High (Continuation) has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Island High (Continuation) ranks #1 of 3 high schools in Alameda, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Alameda on the city page.
Island High (Continuation) earns 45/100 on the Resource Investment Index, with class sizes smaller than 95% of California schools. It is also more racially and ethnically mixed than most 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.
Besides Island High (Continuation), Alameda Unified also operates Alameda High (1,868 students), Encinal Junior/Senior High (1,280 students), and Lincoln Middle (971 students). See the Alameda Unified 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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PlainSchools, “Island High (Continuation), Alameda 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/island-high-continuation-ca
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