- Enrollment
- 71
- Students per teacher
- 7.9:1
- Resource Index
- 75/100
Other / mixed grade configuration · Idalia, CO
Idalia Junior-Senior High School
Federal NCES profile for Idalia Junior-Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 74/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080001801742
👥 S:T ratio 55
🌟 Gifted program 70
📋 Attendance 97
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Idalia Junior-Senior High School earns 74/100 on the Resource Investment Index, with class sizes smaller than 87% of Colorado schools.
- 74
- Resource Index · Higher
- 11.3:1
- small classes for Colorado
- 39.3%
- free-lunch eligible
- 79
- students enrolled
Idalia Junior-Senior High School has class sizes smaller than 87% of Colorado schools. Computed live against every Colorado school reporting to NCES.
School address
District: Idalia Rj-3 School District · Colorado
NCES ID 080001801742 Verify on NCES CCD record →
NCES CCD universe card
School universe 080001801742 · Idalia, CO Other · SMALL · TRAD
79 enr · 11.3:1 · 39.3% lunch · RII 74
Nearest enrollment peer: Idalia Elementary School (71 students)
Idalia Junior-Senior High School CCD stamps from the federal school universe. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Colorado schools → · Find another →
How Idalia Junior-Senior High School compares
Idalia Junior-Senior High 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 | 11.3:1 | ▼ 32% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 39.3% | ▲ 2% | 38.5% | 51.7% |
| Enrollment | 79 | top 91% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
79
Bigger than 8% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
39.3%
free-lunch eligible
- 2% above the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.3:1
students per teacher
- 32% below state mean
Top 13% in Colorado - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
1.3%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$19,634
per pupil, district-wide
- above Colorado avg of $17,910
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 78.5%
Hispanic or Latino 21.5%
Largest group: White at 78.5% of enrollment.
Student-body diversity index 33.8/100
Simpson diversity index - at 33.8, Idalia Junior-Senior High School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Idalia Rj-3 School District, which includes Idalia Junior-Senior High School.
$19,634
Per student
+10%
vs Colorado
Avg $17,910
+11%
vs U.S.
Avg $17,658
Revenue mix
Local 27.7%
State 66.6%
Federal 5.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Idalia Junior-Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Idalia Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Idalia Junior-Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~79 students)
Frequently asked questions about Idalia Junior-Senior High School
How many students attend Idalia Junior-Senior High School?
Idalia Junior-Senior High School has 79 students enrolled. It is a public school in Idalia, CO.
What is the student-teacher ratio at Idalia Junior-Senior High School?
The student-teacher ratio at Idalia Junior-Senior High School is 11.3:1, which is 32% lower than the Colorado average of 16.6:1 and 28% 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 Idalia Junior-Senior High School?
39.3% of students at Idalia Junior-Senior High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Idalia Junior-Senior High School?
The largest demographic group at Idalia Junior-Senior High School is White at 78.5% of enrollment, in Idalia, CO.
What is the Resource Investment Index for Idalia Junior-Senior High School?
Idalia Junior-Senior High School has a Resource Investment Index of 74/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Idalia Rj-3 School District?
Besides Idalia Junior-Senior High School, Idalia Rj-3 School District also operates Idalia Elementary School (71 students). See the Idalia Rj-3 School District 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, the data changelog, or report a data error. Data current as of August 2026.