Enrollment
275
Colorado · 2024-25 NCES data
Other / mixed grade configuration · New Castle, CO
Federal NCES profile for Kathryn Senor Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
The verdict
Kathryn Senor Elementary School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado median.
Kathryn Senor Elementary School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Kathryn Senor Elementary School ranks #2 of 4 public schools in New Castle, CO.
NCES ID 080624001598 Verify on NCES CCD record →
Enrollment
275
Colorado · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 16.6:1 Colorado avg
-17% vs state
Free-lunch eligible
34.1%
vs 38.5% Colorado avg
-11% vs state
How Kathryn Senor Elementary School compares with Colorado and U.S. medians
Smaller classes than state median
13.8:1 - 2.8 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Kathryn Senor Elementary School is a mid-sized combined-grade school in New Castle, Colorado, enrolling 275 students.
Class sizes run a bit leaner than typical: 13.8:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Its free-meal eligibility rate of 34.1% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
Enrollment of 275 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 267 statewide peers matched on enrollment and economic need, it ranks mid-pack at #187.
Its student body is led by White (51%) and Hispanic or Latino (48%) (diversity index 51/100).
Counselor coverage runs a bit thin, about 275 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 44.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Garfield School District No. Re-2 spends $12,122 per pupil, 26% below the Colorado average, a leaner-resourced district than most.
Garfield School District No. Re-2 also operates Rifle High School (778 students) and Coal Ridge High School (578 students) alongside Kathryn Senor 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
Kathryn Senor 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 | 13.8:1 | ▼ 17% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 34.1% | ▼ 11% | 38.5% | 51.7% |
| Enrollment | 275 | top 66% | - | - |
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 50.5% of enrollment.
Simpson diversity index - at 51.1, Kathryn Senor Elementary School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Garfield School District No. Re-2, which includes Kathryn Senor Elementary 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 |
|---|---|---|---|
| Rifle High School | Larger | Similar economic need | Higher S:T ratio |
| Coal Ridge High School | Larger | Similar economic need | Higher S:T ratio |
| Rifle Middle School | Larger | Similar economic need | Higher S:T ratio |
| Riverside School | Larger | Similar economic need | Similar S:T ratio |
| Cactus Valley Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Kathryn Senor Elementary 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 Kathryn Senor Elementary 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.
Kathryn Senor Elementary School has 275 students enrolled. It is a public school in New Castle, CO.
The student-teacher ratio at Kathryn Senor Elementary School is 13.8:1, which is 17% lower than the Colorado average of 16.6:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
34.1% of students at Kathryn Senor Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Kathryn Senor Elementary School is White at 50.5% of enrollment, in New Castle, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.1/100.
Kathryn Senor Elementary School has a Resource Investment Index of 40/100 (typical 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, Kathryn Senor Elementary School ranks #2 of 4 public schools in New Castle, 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 New Castle on the city page.
Kathryn Senor Elementary School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado 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.
Besides Kathryn Senor Elementary School, Garfield School District No. Re-2 also operates Rifle High School (778 students), Coal Ridge High School (578 students), and Rifle Middle School (552 students). See the Garfield School District No. Re-2 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, “Kathryn Senor Elementary School, New Castle 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/kathryn-senor-elementary-school-co
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