Enrollment
573
California · 2024-25 NCES data
Elementary school (grades K-5) · Newport Beach, CA
Federal NCES profile for Mariners Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Mariners Elementary earns 50/100 on the Resource Investment Index, with class sizes near the California median.
Mariners Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mariners Elementary ranks #2 of 6 elementary schools in Newport Beach, CA.
NCES ID 062724004120 Verify on NCES CCD record →
Enrollment
573
California · 2024-25 NCES data
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
21.2:1
vs 21.5:1 California avg
-1% vs state
Free-lunch eligible
15.8%
vs 55.5% California avg
-72% vs state
How Mariners Elementary compares with California and U.S. medians
At or below state median
21.2:1 - 0.3 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Mariners Elementary is a lower-poverty, mid-sized elementary school in Newport Beach, California, enrolling 573 students.
At 21.2:1, 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, 15.8% free-meal eligibility runs 72% below the California average.
Enrollment of 573 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 92% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,204 similarly sized, similarly resourced-need California schools statewide, it ranks #63, a top-tier result once campus size and economic need are matched.
Its student body is led by White (69%) and Hispanic or Latino (14%) (diversity index 49/100).
14.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Newport-Mesa Unified spends $20,621 per pupil, 25% above the California average, a better-resourced district than most.
Among Newport Beach's elementary schools, it stands alongside Newport Heights Elementary (502 students): Mariners Elementary is larger than that campus by headcount and runs leaner classes (21.2:1 vs 22.8:1).
Newport-Mesa Unified also operates Corona Del Mar High (2,106 students) and Newport Harbor High (2,084 students) alongside Mariners 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
Mariners 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 | 21.2:1 | ▼ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 15.8% | ▼ 72% | 55.5% | 51.7% |
| Enrollment | 573 | top 35% | - | - |
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: White at 69.1% of enrollment.
Simpson diversity index - at 48.5, Mariners Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Newport-Mesa Unified, which includes Mariners 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 |
|---|---|---|---|
| Corona Del Mar High | Larger | Similar economic need | Higher S:T ratio |
| Newport Harbor High | Larger | Higher economic need | Similar S:T ratio |
| Costa Mesa High | Larger | Higher economic need | Lower S:T ratio |
| Estancia High | Larger | Higher economic need | Lower S:T ratio |
| Horace Ensign Intermediate | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Mariners Elementary's own figures; each column derives from NCES Common Core of Data.
5 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 Mariners 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.
Mariners Elementary has 573 students enrolled. It is an elementary school in Newport Beach, CA.
The student-teacher ratio at Mariners Elementary is 21.2:1, which is 1% lower than the California average of 21.5:1 and 35% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
15.8% of students at Mariners Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mariners Elementary is White at 69.1% of enrollment, in Newport Beach, CA.
Mariners Elementary has a Resource Investment Index of 50/100 (higher 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, Mariners Elementary ranks #2 of 6 elementary schools in Newport Beach, 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 Newport Beach on the city page.
Mariners Elementary earns 50/100 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 Mariners Elementary, Newport-Mesa Unified also operates Corona Del Mar High (2,106 students), Newport Harbor High (2,084 students), and Costa Mesa High (1,730 students). See the Newport-Mesa 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, “Mariners Elementary, Newport Beach 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/mariners-elementary-ca
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