Enrollment
131
Colorado · 2024-25 NCES data
High school (grades 9-12) · Cortez, CO
Federal NCES profile for Southwest Open Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Southwest Open Charter School earns 41/100 on the Resource Investment Index, with class sizes smaller than 84% of Colorado schools.
Southwest Open Charter School has class sizes smaller than 84% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Southwest Open Charter School ranks #3 of 9 public schools in Cortez, CO.
NCES ID 080309001692 Verify on NCES CCD record →
Enrollment
131
Colorado · 2024-25 NCES data
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
11.9:1
vs 16.6:1 Colorado avg
-28% vs state
Free-lunch eligible
65.5%
vs 38.5% Colorado avg
+70% vs state
How Southwest Open Charter School compares with Colorado and U.S. medians
Smaller classes than state median
11.9:1 - 4.7 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Southwest Open Charter School is a higher-need, small charter high school in Cortez, Colorado, enrolling 131 students.
Class sizes run a bit leaner than typical: 11.9:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 65.5% of students eligible for free meals.
Enrollment of 131 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Against 51 statewide peers matched on enrollment and economic need, it ranks mid-pack at #27.
Its student body is led by White (47%) and American Indian / Alaska Native (28%) (diversity index 66/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 126 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 96.9% 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.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Montezuma-Cortez School District No. Re-1 also operates Montezuma-Cortez High School (598 students) and Montezuma-Cortez Middle School (505 students) alongside Southwest Open Charter 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
Southwest Open Charter 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 | 11.9:1 | ▼ 28% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 65.5% | ▲ 70% | 38.5% | 51.7% |
| Enrollment | 131 | top 85% | - | - |
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 46.6% of enrollment.
Simpson diversity index - at 66.1, Southwest Open Charter School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Montezuma-Cortez School District No. Re-1, which includes Southwest Open Charter School.
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 |
|---|---|---|---|
| Montezuma-Cortez High School | Larger | Lower economic need | Higher S:T ratio |
| Montezuma-Cortez Middle School | Larger | Similar economic need | Higher S:T ratio |
| Mesa Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Kemper Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Children's Kiva Montessori School | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Southwest Open Charter School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Southwest Open Charter School'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.
Southwest Open Charter School has 131 students enrolled. It is a high school in Cortez, CO.
The student-teacher ratio at Southwest Open Charter School is 11.9:1, which is 28% lower than the Colorado average of 16.6:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
65.5% of students at Southwest Open Charter School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Southwest Open Charter School is White at 46.6% of enrollment, in Cortez, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.1/100.
Southwest Open Charter School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 5 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, Southwest Open Charter School ranks #3 of 9 public 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 public schools in Cortez on the city page.
Southwest Open Charter School earns 41/100 on the Resource Investment Index, with class sizes smaller than 84% 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.
Besides Southwest Open Charter 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.
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, “Southwest Open Charter School, Cortez CO.” 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/southwest-open-charter-school-co
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