Enrollment
2,631
California · 2024-25 NCES data
High school (grades 9-12) · Lancaster, CA
Federal NCES profile for Eastside High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Eastside High earns 34/100 on the Resource Investment Index, with class sizes larger than 81% of California schools. It is also one of the largest schools in California.
Eastside High has class sizes larger than 81% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Eastside High ranks #7 of 8 high schools in Lancaster, CA.
NCES ID 060282010823 Verify on NCES CCD record →
Enrollment
2,631
California · 2024-25 NCES data
Teachers (FTE)
104.0
Federal CCD staff survey
Students per teacher
25.3:1
vs 21.5:1 California avg
+18% vs state
Free-lunch eligible
59.6%
vs 55.5% California avg
+7% vs state
How Eastside High compares with California and U.S. medians
Larger classes than state median
25.3:1 - 3.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Eastside High is a higher-need, large high school in Lancaster, California, enrolling 2,631 students.
Class loads run somewhat heavier than typical: 25.3:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 59.6% lands close to the California typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 2,631 students.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 234 similarly sized, similarly resourced-need California schools statewide, it ranks #217, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (69%) and African American (22%) (diversity index 48/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 376 students sharing each counselor, though short of the most stretched campuses.
Its district draws 15.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Lancaster's high schools, it stands alongside Lancaster High (2,688 students): Eastside High is smaller than that campus by headcount and runs heavier classes (25.3:1 vs 24.9:1).
Antelope Valley Union High also operates Quartz Hill High (3,175 students) and Highland High (2,706 students) alongside Eastside High.
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
Eastside High 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 | 59.6% | ▲ 7% | 55.5% | 51.7% |
| Enrollment | 2,631 | top 1% | - | - |
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 68.8% of enrollment.
Simpson diversity index - at 47.5, Eastside High is about as mixed as the California school average of 46.0.
District-wide per-pupil expenditure for Antelope Valley Union High, which includes Eastside High.
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 |
|---|---|---|---|
| Quartz Hill High | Similar size | Lower economic need | Higher S:T ratio |
| Highland High | Similar size | Similar economic need | Similar S:T ratio |
| Lancaster High | Similar size | Similar economic need | Similar S:T ratio |
| William J. (Pete) Knight High | Similar size | Similar economic need | Lower S:T ratio |
| Palmdale High | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Eastside High's own figures; each column derives from NCES Common Core of Data.
6 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 Eastside High'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.
Eastside High has 2,631 students enrolled. It is a high school in Lancaster, CA.
The student-teacher ratio at Eastside High 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.
59.6% of students at Eastside High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Eastside High is Hispanic or Latino at 68.8% of enrollment, in Lancaster, CA.
Eastside High has a Resource Investment Index of 34/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Eastside High ranks #7 of 8 high schools in Lancaster, 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 Lancaster on the city page.
Eastside High earns 34/100 on the Resource Investment Index, with class sizes larger than 81% of California schools. It is also one of the largest 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 Eastside High, Antelope Valley Union High also operates Quartz Hill High (3,175 students), Highland High (2,706 students), and Lancaster High (2,688 students). See the Antelope Valley Union High 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, “Eastside High, Lancaster 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/eastside-high-ca
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