Enrollment
125
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Cortez, CO
Lewis-Arriola Elementary School
Federal NCES profile for Lewis-Arriola Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080309000837
👥 S:T ratio 28
🌟 Gifted program 30
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lewis-Arriola Elementary School earns 27/100 on the Resource Investment Index, with class sizes larger than 71% of Colorado schools.
- #5 of 5
- elementary schools in Cortez · Resource Index
- 27
- Resource Index · Lower
- 17.9:1
- large classes for Colorado
- 35.6%
- free-lunch eligible
Lewis-Arriola Elementary School has class sizes larger than 71% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Lewis-Arriola Elementary School ranks #5 of 5 elementary schools in Cortez, CO.
School address
District: Montezuma-Cortez School District No. Re-1 · Colorado
NCES ID 080309000837 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 16.6:1 Colorado avg
+8% vs state
Free-lunch eligible
35.6%
vs 38.5% Colorado avg
-8% vs state
Student-teacher ratio in context
How Lewis-Arriola Elementary School compares with Colorado and U.S. medians
What stands out at Lewis-Arriola Elementary School
Lewis-Arriola Elementary School is a small elementary school in Cortez, Colorado, enrolling 125 students.
Class loads run somewhat heavier than typical: 17.9:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Its free-meal eligibility rate of 35.6% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
Enrollment of 125 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index trails 94% of the 1,922 Colorado schools with a score on record, one of the lower results on this measure.
Among 113 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #108, in the lower tier once campus size and economic need are matched.
Its student body is led by White (77%) and Hispanic or Latino (14%) (diversity index 39/100).
Chronic absenteeism is elevated: 31.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Montezuma-Cortez School District No. Re-1 spends $11,473 per pupil, 29% below the Colorado average, a leaner-resourced district than most.
Its district draws 15.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Montezuma-Cortez School District No. Re-1 also operates Montezuma-Cortez High School (598 students) and Montezuma-Cortez Middle School (505 students) alongside Lewis-Arriola Elementary School.
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 Lewis-Arriola Elementary School compares
Lewis-Arriola Elementary School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▲ 8% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 35.6% | ▼ 8% | 38.5% | 51.7% |
| Enrollment | 125 | top 85% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
125
Bigger than 12% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
35.6%
free-lunch eligible
- 8% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.9:1
students per teacher
- 8% above state mean
Top 71% in Colorado - lower ratio than 29% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
31.2%
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
$11,473
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.6 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
White 76.8%
Hispanic or Latino 13.6%
Two or More 7.2%
American Indian / Alaska Native 2.4%
Largest group: White at 76.8% of enrollment.
Student-body diversity index 38.6/100
Simpson diversity index - at 38.6, Lewis-Arriola Elementary School is less mixed than the Colorado school average of 47.1.
Programs
Funding & spending
District-wide per-pupil expenditure for Montezuma-Cortez School District No. Re-1, which includes Lewis-Arriola Elementary School.
$11,473
Per student
-29%
vs Colorado
Avg $16,273
-31%
vs U.S.
Avg $16,593
Revenue mix
Local 42.2%
State 42.0%
Federal 15.9%
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 Lewis-Arriola Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montezuma-Cortez High School | Larger | Similar economic need | Similar S:T ratio |
| Montezuma-Cortez Middle School | Larger | Higher economic need | Lower S:T ratio |
| Mesa Elementary School | Larger | Higher economic need | Similar S:T ratio |
| Kemper Elementary School | Larger | Higher economic need | Lower S:T ratio |
| Southwest Open Charter School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Lewis-Arriola Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 598
- Students per teacher
- 18.1:1
- Resource Index
- 40/100
- Enrollment
- 505
- Students per teacher
- 15.8:1
- Resource Index
- 45/100
- Enrollment
- 359
- Students per teacher
- 17.9:1
- Resource Index
- 32/100
- Enrollment
- 339
- Students per teacher
- 16.1:1
- Resource Index
- 35/100
- Enrollment
- 131
- Students per teacher
- 11.9:1
- Resource Index
- 49/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~125 students)
Next steps
Verify locally before acting on Lewis-Arriola Elementary School's federal record.
- Compare Lewis-Arriola Elementary School against another school. Compare schools
- Montezuma-Cortez School District No. Re-1'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 Lewis-Arriola Elementary School
How many students attend Lewis-Arriola Elementary School?
Lewis-Arriola Elementary School has 125 students enrolled. It is an elementary school in Cortez, CO.
What is the student-teacher ratio at Lewis-Arriola Elementary School?
The student-teacher ratio at Lewis-Arriola Elementary School is 17.9:1, which is 8% higher than the Colorado average of 16.6:1 and 14% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lewis-Arriola Elementary School?
35.6% of students at Lewis-Arriola Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Lewis-Arriola Elementary School?
The largest demographic group at Lewis-Arriola Elementary School is White at 76.8% of enrollment, in Cortez, CO.
What is the Resource Investment Index for Lewis-Arriola Elementary School?
Lewis-Arriola Elementary School has a Resource Investment Index of 27/100 (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).
How does Lewis-Arriola Elementary School rank among elementary schools in Cortez?
By Resource Investment Index, Lewis-Arriola Elementary School ranks #5 of 5 elementary schools in Cortez, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Cortez on the city page.
Is Lewis-Arriola Elementary School a good school?
Lewis-Arriola Elementary School earns 27/100 on the Resource Investment Index, with class sizes larger than 71% of Colorado 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 Montezuma-Cortez School District No. Re-1?
Besides Lewis-Arriola Elementary School, Montezuma-Cortez School District No. Re-1 also operates Montezuma-Cortez High School (598 students), Montezuma-Cortez Middle School (505 students), and Mesa Elementary School (359 students). See the Montezuma-Cortez School District No. Re-1 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.