Enrollment
215
New Mexico · 2024-25 NCES data
Other / mixed grade configuration · Carlsbad, NM
Jefferson Montessori
Federal NCES profile for Jefferson Montessori, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataOther / mixed grade configurationNCES 350030000859Charter school
👥 S:T ratio 46
🌟 Gifted program 30
🎓 Counselors 14
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson Montessori earns 23/100 on the Resource Investment Index, with class sizes near the New Mexico median.
- #4 of 4
- schools in Carlsbad · Resource Index
- 23
- Resource Index · Lower
- 13.4:1
- students per teacher
- 46.1%
- free-lunch eligible
Jefferson Montessori has class sizes near the New Mexico median. Computed live against every New Mexico school reporting to NCES.
By Resource Investment Index, Jefferson Montessori ranks #4 of 4 schools in Carlsbad, NM.
School address
District: Carlsbad Municipal Schools · New Mexico
NCES ID 350030000859 Verify on NCES CCD record →
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 14:1 New Mexico avg
-4% vs state
Free-lunch eligible
46.1%
vs 80.8% New Mexico avg
-43% vs state
Student-teacher ratio in context
How Jefferson Montessori compares with New Mexico and U.S. medians
What stands out at Jefferson Montessori
Jefferson Montessori is a mid-sized charter combined-grade school in Carlsbad, New Mexico, enrolling 215 students.
At 13.4:1, its student-teacher ratio sits close to the New Mexico median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 46.1% of students eligible for free meals.
With 215 students, its enrollment sits close to the New Mexico median campus size.
Its Resource Investment Index trails 97% of the 867 New Mexico schools with a score on record, one of the lower results on this measure.
Among 45 similarly sized, similarly resourced-need New Mexico schools statewide, it ranks #44, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (56%) and White (34%) (diversity index 56/100).
Counselor access is stretched at roughly 430 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 54.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Carlsbad Municipal Schools spends $10,509 per pupil, 37% below the New Mexico average, a leaner-resourced district than most.
Carlsbad Municipal Schools also operates Carlsbad High (1,685 students) and Carlsbad Intermediate School - Pr Leyva Campus (908 students) alongside Jefferson Montessori.
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 Montessori compares
Jefferson Montessori on the metrics families compare, against New Mexico and U.S. means.
| Metric | This school | vs New Mexico | New Mexico avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.4:1 | ▼ 4% | 14:1 | 15.7:1 |
| Free-lunch eligible | 46.1% | ▼ 43% | 80.8% | 51.7% |
| Enrollment | 215 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.4:1
Leaner classes than 63% of US schools, a middle-of-the-pack class size.
215
Bigger than 21% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.1%
free-lunch eligible
- 43% below the New Mexico average of 80.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.4:1
students per teacher
- 4% below state mean
Top 51% in New Mexico - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
54.9%
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
$10,509
per pupil, district-wide
- below New Mexico avg of $16,652
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 56.3%
White 33.5%
Two or More 9.8%
Asian 0.5%
Largest group: Hispanic or Latino at 56.3% of enrollment.
Student-body diversity index 56.1/100
Simpson diversity index - at 56.1, Jefferson Montessori is more mixed than the New Mexico school average of 39.8.
Programs
Funding & spending
District-wide per-pupil expenditure for Carlsbad Municipal Schools, which includes Jefferson Montessori.
$10,509
Per student
-37%
vs New Mexico
Avg $16,652
-37%
vs U.S.
Avg $16,593
Revenue mix
Local 50.9%
State 41.9%
Federal 7.3%
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 Montessori Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Carlsbad High | Larger | Lower economic need | Higher S:T ratio |
| Carlsbad Intermediate School - Pr Leyva Campus | Larger | Lower economic need | Higher S:T ratio |
| Carlsbad Sixth Grade Academy - Alta Vista Campus | Larger | Similar economic need | Higher S:T ratio |
| Cottonwood Elementary | Larger | Similar economic need | Higher S:T ratio |
| Desert Willow Elementary | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Jefferson Montessori's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,685
- Students per teacher
- 23.7:1
- Resource Index
- 26/100
- Enrollment
- 908
- Students per teacher
- 25.9:1
- Resource Index
- 26/100
- Enrollment
- 740
- Students per teacher
- 20:1
- Resource Index
- 37/100
- Enrollment
- 684
- Students per teacher
- 15.5:1
- Resource Index
- 43/100
- Enrollment
- 667
- Students per teacher
- 14.5:1
- Resource Index
- 65/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of New Mexico, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~215 students)
Similar student-teacher ratio (~13.4:1)
Next steps
Verify locally before acting on Jefferson Montessori's federal record.
- Compare Jefferson Montessori against another school. Compare schools
- Carlsbad Municipal Schools'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 Montessori
How many students attend Jefferson Montessori?
Jefferson Montessori has 215 students enrolled. It is a public school in Carlsbad, NM.
What is the student-teacher ratio at Jefferson Montessori?
The student-teacher ratio at Jefferson Montessori is 13.4:1, which is 4% lower than the New Mexico average of 14:1 and 15% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Jefferson Montessori?
46.1% of students at Jefferson Montessori are eligible for free lunch, compared to the New Mexico average of 80.8%.
What is the racial and ethnic makeup of Jefferson Montessori?
The largest demographic group at Jefferson Montessori is Hispanic or Latino at 56.3% of enrollment, in Carlsbad, NM. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.
What is the Resource Investment Index for Jefferson Montessori?
Jefferson Montessori 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).
How does Jefferson Montessori rank among schools in Carlsbad?
By Resource Investment Index, Jefferson Montessori ranks #4 of 4 schools in Carlsbad, NM. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Carlsbad on the city page.
Is Jefferson Montessori a good school?
Jefferson Montessori earns 23/100 on the Resource Investment Index, with class sizes near the New Mexico 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.
What other schools are in Carlsbad Municipal Schools?
Besides Jefferson Montessori, Carlsbad Municipal Schools also operates Carlsbad High (1,685 students), Carlsbad Intermediate School - Pr Leyva Campus (908 students), and Carlsbad Sixth Grade Academy - Alta Vista Campus (740 students). See the Carlsbad Municipal Schools 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.