Enrollment
79
High
DISTRICT 75 · STATE 627
SCHOOL COMMUNITY·IDALIA RJ-3 SCHOOL DISTRICT·NCES 080001801742
Idalia Junior-Senior High School
26845 COUNTY ROAD 9.2, IDALIA, CO 80735 · (970) 354-7298 · Yuma County
GRADES 07–12HIGH43-RURALTITLE IREGULAR SCHOOL79 STUDENTS
A
allk12 Grade
Scored higher than 89% of Colorado public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Colorado public high schools
Student : Teacher
10.9:1
7 FTE teachers
DISTRICT 9.6:1 · STATE 16.9:1
Free / Reduced Lunch
59%
47 students
DISTRICT 59% · STATE 50%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 12 | 15% |
| Grade 8 | 10 | 13% |
| Grade 9 | 12 | 15% |
| Grade 10 | 16 | 20% |
| Grade 11 | 15 | 19% |
| Grade 12 | 14 | 18% |
Student demographics
34%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 34% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Idalia RJ-3 School District. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
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START A DISCUSSIONTest scores
CMAS 2024-25 . % Met or Exceeded ExpectationsEnglish Language Arts
63.2%
CO avg 44.9% . +3.2pp since 2023
Math
36.8%
CO avg 36.1% . -8.2pp since 2023
What this means: On the CMAS, Colorado's statewide test, about 63 of every 100 students at this school read and write at grade level and about 37 of 100 do math at grade level. Across all Colorado schools, those numbers are about 45 and 36. Reading and writing scores are up about 3 points since 2023, while math scores are down about 8 points.
CMAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 63.2% | 36.8% |
| 2023-24 | 60.0% | 45.0% |
% Met or Exceeded Expectations, all students and all tested grades.
Source: CMAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
OUTPERFORMING
Top 10% of CO schools after controlling for student poverty
Actual proficiency
51.3%
composite math + reading, all grades
Predicted
30.6%
based on CO schools with similar FRL share
Beats by
+20.6pp
above demographic expectation
What this means: About 51% of students here test proficient in math and reading, well above the roughly 31% typical for Colorado schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 21 points, placing it in Colorado's top 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Idalia Junior-Senior High School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Idalia Junior-Senior High School this school | 79 | 59.5% | 51.3% |
| Nucla High School NUCLA | 60 | 58.3% | N/A |
| Cheyenne Wells Junior/High School CHEYENNE WELLS | 84 | 54.8% | N/A |
| Kit Carson Junior-Senior High School KIT CARSON | 55 | 60.0% | N/A |
| Walsh High School WALSH | 72 | 65.3% | 31.9% |
| Sangre de Cristo Undivided High School MOSCA | 146 | 63.7% | 47.8% |
Matched among Colorado high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Idalia Junior-Senior High School ranks
Among high schools| Measure | This school | In Colorado |
|---|---|---|
| Enrollment ranked largest first | 79 | #355 of 409 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
79
-13 (-14%) vs 2020
+58% since 2010-11, when it was 50
Student : Teacher
10.9:1
was 13.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 79 | 7.2 | 10.9:1 | 59% (47) |
| 2023-24 | 81 | 7.9 | 10.3:1 | 52% (42) |
| 2022-23 | 84 | 7.1 | 11.8:1 | 58% (49) |
| 2020-21 | 92 | 7 | 13.1:1 | 60% (55) |
| 2017-18 | 86 | 6.6 | 13.1:1 | 65% (56) |
| 2015-16 | 67 | 6 | 11.2:1 | 58% (39) |
| 2010-11 | 50 | 6 | 8.3:1 | 48% (24) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Idalia Junior-Senior High School.
Since 2017-18: students down 8% (86 to 79); teachers up 10% (6.6 to 7.2).
About Idalia Junior-Senior High School
Idalia Junior-Senior High School is a small high school serving families in IDALIA, Colorado. Enrolled students number 79 students, in grades 7 through 12. Enrollment is 87% lower than the average for high schools in Colorado, which is about 627.
Idalia RJ-3 School District enrolls 150 students, and its 2 schools include Idalia Junior-Senior High School.
White students account for 78% of enrollment at Idalia Junior-Senior High School. Other groups make up 22% Hispanic. The chance that two students picked at random at Idalia Junior-Senior High School belong to different racial or ethnic groups, known as the diversity index, is 34%.
Idalia Junior-Senior High School counts 7.2 full-time-equivalent teachers, about 10.9 students for each one. Among high schools in Colorado, the typical ratio is 16.9:1. About 59% of enrolled students meet the income rules for free or reduced-price lunch. That is close to the 61% average for public schools in Yuma County.
allk12 grades Idalia Junior-Senior High School an A. The grade compares the school only with Colorado public high schools, because each state gives its own test.
On a poverty-adjusted basis, Idalia Junior-Senior High School is in the top 10% of Colorado schools: 51.3% actual against 30.6% predicted.
In the county around the school, Yuma County, median household income is about $60,545, a bachelor's degree or higher is held by about 25% of adults, and the share of residents below the poverty line is 15%. A total of 9 public schools operate in Yuma County, serving about 1,759 students.
Idalia Elementary School is located less than a tenth of a mile from Idalia Junior-Senior High School. Its average proficiency rate of 51.3% is above the 36.5% average for nearby schools.
By NCES locale, the school is Rural: Remote, or in rural territory far from an urban area.
The 2024-25 enrollment of 79 was 14% lower than in 2020-21, when it was 92. In 2020-21, the student-to-teacher ratio was 13.1:1; by 2024-25 it was 10.9:1.
Posts about sports tryouts, band and choir, and theater are welcome on this page. Reviews and ratings from people who know the school are welcome.
Yuma County at a glance
View full county profilePopulation
9,979
Census ACS
Median income
$60,545
Household, ACS
Bachelor's+
25%
Adults 25+
Poverty rate
15%
Below federal line
Schools in county
9
1,759 students
Quick facts
Related schools
Other schools in Idalia RJ-3 School District
- Idalia Elementary SchoolElementary · 71 students
Nearby schools
- Idalia Elementary School0.0 mi · 71
- Liberty School17.9 mi · 76
- Wray Elementary School25.6 mi · 409
- Wray Junior Senior High School25.6 mi · 322
- St Francis Elem26.8 mi · 133
- St Francis High26.9 mi · 164
Frequently asked questions
About Idalia Junior-Senior High SchoolHow many students attend Idalia Junior-Senior High School?
Idalia Junior-Senior High School enrolls approximately 79 students in grades 07-12.
What age range does Idalia Junior-Senior High School serve?
Idalia Junior-Senior High School serves students from grade 07 through grade 12.
How many students per teacher at Idalia Junior-Senior High School?
Approximately 10.9:1 students per teacher at Idalia Junior-Senior High School.
What is the racial breakdown of students at Idalia Junior-Senior High School?
At Idalia Junior-Senior High School, the student body is approximately 78% White, 22% Hispanic.
Is Idalia Junior-Senior High School public or private?
Idalia Junior-Senior High School is a public K-12 school, overseen by Idalia RJ-3 School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.