Enrollment
625
California · 2024-25 NCES data
Elementary school (grades K-5) · Calexico, CA
Jefferson Elementary
Federal NCES profile for Jefferson Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 8/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060690000637
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson Elementary earns 8/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also less racially and ethnically mixed than most California schools.
- #6 of 7
- elementary schools in Calexico · Resource Index
- 8
- Resource Index · Lower
- 25:1
- large classes for California
- 79.7%
- free-lunch eligible
Jefferson Elementary has class sizes larger than 79% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Jefferson Elementary ranks #6 of 7 elementary schools in Calexico, CA.
School address
District: Calexico Unified · California
NCES ID 060690000637 Verify on NCES CCD record →
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
25:1
vs 21.5:1 California avg
+16% vs state
Free-lunch eligible
79.7%
vs 55.5% California avg
+44% vs state
Student-teacher ratio in context
How Jefferson Elementary compares with California and U.S. medians
What stands out at Jefferson Elementary
Jefferson Elementary is a high-poverty, mid-sized elementary school in Calexico, California, enrolling 625 students.
Class loads run somewhat heavier than typical: 25:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 79.7% of students eligible for free meals.
Enrollment of 625 puts it in the larger third of California schools by headcount.
Its Resource Investment Index trails 100% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 2,044 similarly sized, similarly resourced-need California schools statewide, it ranks #1,999, in the lower tier once campus size and economic need are matched.
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 625 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 70.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 20.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Calexico's elementary schools, it stands alongside Cesar Chavez Elementary (765 students): Jefferson Elementary is smaller than that campus by headcount and runs heavier classes (25:1 vs 23.9:1).
Calexico Unified also operates Calexico High (2,746 students) and Cesar Chavez Elementary (765 students) alongside Jefferson 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
How Jefferson Elementary compares
Jefferson 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 | 25:1 | ▲ 16% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 79.7% | ▲ 44% | 55.5% | 51.7% |
| Enrollment | 625 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25:1
Leaner classes than 5% of US schools, heavier class loads than most.
625
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
79.7%
free-lunch eligible
- 44% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
25:1
students per teacher
- 16% above state mean
Top 79% in California - lower ratio than 21% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
70.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,535
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 625 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 9 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 98.2%
White 0.5%
Asian 0.5%
American Indian / Alaska Native 0.5%
Two or More 0.3%
Largest group: Hispanic or Latino at 98.2% of enrollment.
Student-body diversity index 3.6/100
Simpson diversity index - at 3.6, Jefferson Elementary is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Calexico Unified, which includes Jefferson Elementary.
$18,535
Per student
+12%
vs California
Avg $16,509
+12%
vs U.S.
Avg $16,593
Revenue mix
Local 10.2%
State 69.5%
Federal 20.4%
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.
How Jefferson Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Calexico High | Larger | Similar economic need | Lower S:T ratio |
| Cesar Chavez Elementary | Similar size | Lower economic need | Similar S:T ratio |
| Enrique Camarena Jr. High | Similar size | Similar economic need | Lower S:T ratio |
| William Moreno Junior High | Similar size | Similar economic need | Lower S:T ratio |
| Rockwood Elementary | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Jefferson Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,746
- Students per teacher
- 22.3:1
- Resource Index
- 16/100
- Enrollment
- 765
- Students per teacher
- 23.9:1
- Resource Index
- 9/100
- Enrollment
- 674
- Students per teacher
- 23.2:1
- Resource Index
- 9/100
- Enrollment
- 618
- Students per teacher
- 21.3:1
- Resource Index
- 11/100
- Enrollment
- 617
- Students per teacher
- 26.8:1
- Resource Index
- 7/100
Similar elementary schools in Calexico
6 comparable elementary schools (grades K-5) serving the same city.
Cesar Chavez Elementary
Standard public school
765 students 23.9:1 students per teacher
Rockwood Elementary
Standard public school
617 students 26.8:1 students per teacher
Dool Elementary
Standard public school
568 students 21.8:1 students per teacher
Kennedy Gardens Elementary
Standard public school
484 students 23:1 students per teacher
Blanche Charles Elementary
Standard public school
419 students 22.1:1 students per teacher
Mains Elementary
Standard public school
408 students 22.7:1 students per teacher
Similar elementary schools statewide
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.
Similar enrollment (~625 students)
Similar student-teacher ratio (~25:1)
Next steps
Verify locally before acting on Jefferson Elementary's federal record.
- Compare Jefferson Elementary against another school. Compare schools
- Calexico Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Jefferson Elementary
How many students attend Jefferson Elementary?
Jefferson Elementary has 625 students enrolled. It is an elementary school in Calexico, CA.
What is the student-teacher ratio at Jefferson Elementary?
The student-teacher ratio at Jefferson Elementary is 25:1, which is 16% higher than the California average of 21.5:1 and 59% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Jefferson Elementary?
79.7% of students at Jefferson Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Jefferson Elementary?
The largest demographic group at Jefferson Elementary is Hispanic or Latino at 98.2% of enrollment, in Calexico, CA.
What is the Resource Investment Index for Jefferson Elementary?
Jefferson Elementary has a Resource Investment Index of 8/100 (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).
How does Jefferson Elementary rank among elementary schools in Calexico?
By Resource Investment Index, Jefferson Elementary ranks #6 of 7 elementary schools in Calexico, 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 Calexico on the city page.
Is Jefferson Elementary a good school?
Jefferson Elementary earns 8/100 on the Resource Investment Index, with class sizes larger than 79% 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.
What other schools are in Calexico Unified?
Besides Jefferson Elementary, Calexico Unified also operates Calexico High (2,746 students), Cesar Chavez Elementary (765 students), and Enrique Camarena Jr. High (674 students). See the Calexico Unified district page for the complete list.
Related tools
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.