Enrollment
445
California · 2024-25 NCES data
Elementary school (grades K-5) · El Centro, CA
Federal NCES profile for Martin Luther King Jr. Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
The verdict
Martin Luther King Jr. Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 86% of California schools. It is also less racially and ethnically mixed than most California schools.
Martin Luther King Jr. Elementary has class sizes larger than 86% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Martin Luther King Jr. Elementary ranks #10 of 13 elementary schools in El Centro, CA.
NCES ID 061203009797 Verify on NCES CCD record →
Enrollment
445
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
26.2:1
vs 21.5:1 California avg
+22% vs state
Free-lunch eligible
75.5%
vs 55.5% California avg
+36% vs state
How Martin Luther King Jr. Elementary compares with California and U.S. medians
Larger classes than state median
26.2:1 - 4.7 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Martin Luther King Jr. Elementary is a high-poverty, mid-sized elementary school in El Centro, California, enrolling 445 students.
Class loads run heavy: 26.2:1 is larger than about 86% of California schools and 22% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 75.5% of students eligible for free meals.
With 445 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 2,091 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,206.
Its student body is predominantly Hispanic or Latino (98% of enrollment), among the less diverse in the state (diversity index 4/100).
Counselor access is stretched at roughly 890 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 23.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among El Centro's elementary schools, it stands alongside Mccabe Elementary (1,109 students): Martin Luther King Jr. Elementary is smaller than that campus by headcount and runs heavier classes (26.2:1 vs 23.1:1).
El Centro Elementary also operates Wilson Jr. High (605 students) and Harding Elementary (601 students) alongside Martin Luther King Jr. 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
Martin Luther King Jr. 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 | 26.2:1 | ▲ 22% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 75.5% | ▲ 36% | 55.5% | 51.7% |
| Enrollment | 445 | top 53% | - | - |
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 98.2% of enrollment.
Simpson diversity index - at 3.6, Martin Luther King Jr. Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for El Centro Elementary, which includes Martin Luther King Jr. 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 |
|---|---|---|---|
| Wilson Jr. High | Larger | Similar economic need | Lower S:T ratio |
| Harding Elementary | Larger | Lower economic need | Similar S:T ratio |
| De Anza Magnet | Similar size | Lower economic need | Similar S:T ratio |
| Mckinley Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Margaret Hedrick Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Martin Luther King Jr. 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 Martin Luther King Jr. 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.
Martin Luther King Jr. Elementary has 445 students enrolled. It is an elementary school in El Centro, CA.
The student-teacher ratio at Martin Luther King Jr. Elementary is 26.2:1, which is 22% higher than the California average of 21.5:1 and 67% higher than the national average of 15.7:1.
75.5% of students at Martin Luther King Jr. Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Martin Luther King Jr. Elementary is Hispanic or Latino at 98.2% of enrollment, in El Centro, CA.
Martin Luther King Jr. Elementary has a Resource Investment Index of 23/100 (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).
By Resource Investment Index, Martin Luther King Jr. Elementary ranks #10 of 13 elementary schools in El Centro, 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 El Centro on the city page.
Martin Luther King Jr. Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 86% of California schools. It is also less 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 Martin Luther King Jr. Elementary, El Centro Elementary also operates Wilson Jr. High (605 students), Harding Elementary (601 students), and De Anza Magnet (504 students). See the El Centro Elementary 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, “Martin Luther King Jr. Elementary, El Centro 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/martin-luther-king-jr-elementary-ca
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