Enrollment
586
California · 2024-25 NCES data
Elementary school (grades K-5) · Pleasanton, CA
Federal NCES profile for Lydiksen Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Lydiksen Elementary earns 31/100 on the Resource Investment Index, with class sizes near the California median.
Lydiksen Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Lydiksen Elementary ranks #2 of 9 elementary schools in Pleasanton, CA.
NCES ID 060002009284 Verify on NCES CCD record →
Enrollment
586
California · 2024-25 NCES data
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 21.5:1 California avg
+1% vs state
Free-lunch eligible
6.6%
vs 55.5% California avg
-88% vs state
How Lydiksen Elementary compares with California and U.S. medians
Slightly above state median
21.7:1 - 0.2 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Lydiksen Elementary is a lower-poverty, mid-sized elementary school in Pleasanton, California, enrolling 586 students.
At 21.7:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 6.6% free-meal eligibility runs 88% below the California average.
Enrollment of 586 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 745 similarly sized, similarly resourced-need California schools statewide, it ranks #548, in the lower tier once campus size and economic need are matched.
Its student body is led by Asian (53%) and White (24%) (diversity index 64/100).
Attendance runs somewhat below the norm, with 19.8% of students chronically absent per the 2021-22 civil-rights collection.
Among Pleasanton's elementary schools, it stands alongside Donlon Elementary (700 students): Lydiksen Elementary is smaller than that campus by headcount and runs leaner classes (21.7:1 vs 23.3:1).
Pleasanton Unified also operates Amador Valley High (2,583 students) and Foothill High (2,169 students) alongside Lydiksen Elementary.
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
Lydiksen Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.7:1 | ▲ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 6.6% | ▼ 88% | 55.5% | 51.7% |
| Enrollment | 586 | top 34% | - | - |
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: Asian at 52.6% of enrollment.
Simpson diversity index - at 64.2, Lydiksen Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Pleasanton Unified, which includes Lydiksen Elementary.
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 |
|---|---|---|---|
| Amador Valley High | Larger | Similar economic need | Higher S:T ratio |
| Foothill High | Larger | Similar economic need | Higher S:T ratio |
| Thomas S. Hart Middle | Larger | Similar economic need | Similar S:T ratio |
| Harvest Park Middle | Larger | Similar economic need | Similar S:T ratio |
| Pleasanton Middle | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Lydiksen Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) 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 Lydiksen Elementary'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.
Lydiksen Elementary has 586 students enrolled. It is an elementary school in Pleasanton, CA.
The student-teacher ratio at Lydiksen Elementary is 21.7:1, which is 1% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
6.6% of students at Lydiksen Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Lydiksen Elementary is Asian at 52.6% of enrollment, in Pleasanton, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.2/100.
Lydiksen Elementary has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Lydiksen Elementary ranks #2 of 9 elementary schools in Pleasanton, 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 Pleasanton on the city page.
Lydiksen Elementary earns 31/100 on the Resource Investment Index, with class sizes near the California median. 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 Lydiksen Elementary, Pleasanton Unified also operates Amador Valley High (2,583 students), Foothill High (2,169 students), and Thomas S. Hart Middle (1,129 students). See the Pleasanton 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, “Lydiksen Elementary, Pleasanton 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/lydiksen-elementary-ca
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