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
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
Student demographics
Student head counts by race/ethnicity from federal NCES enrollment data. 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.
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 →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
79
-7 (-8%) vs 2017
Student : Teacher
10.9:1
was 13.1:1
% White
78%
was 70%
% Hispanic
22%
was 24%
Source: NCES Common Core of Data
About Idalia Junior-Senior High School
Idalia Junior-Senior High School is a rural-scale four-year high school in IDALIA, Colorado, part of Idalia RJ-3 School District. The school serves 79 students in grades 7 through 12. Compared to the state average of about 627 students per school, that is 87% below typical.
Idalia RJ-3 School District runs 2 schools in total, collectively educating 150 students. Idalia Junior-Senior High School is one of those campuses.
In terms of who attends, Idalia Junior-Senior High School records that the largest single group is White, at 78% of enrollment. Beyond that, the school records 22% Hispanic.
Looking at school resources, The school reports having 7 full-time-equivalent teachers, for a student-teacher ratio near 10.9:1. Statewide, the average ratio sits near 16.9:1, putting Idalia Junior-Senior High School tighter than the state norm the norm. About 59% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
On a demographically-adjusted basis, Idalia Junior-Senior High School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 30.6%; this one delivers 51.3%, a residual of +20.6 points.
In the area at large, census data for Yuma County shows median household earnings sit near $60,545, about 25% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 15%. Idalia Junior-Senior High School is one of 9 public schools in Yuma County (combined enrollment of about 1,759 students).
Nearest neighbor: Idalia Elementary School, around 0.0 miles off. Ranking that nearby cluster on reported proficiency puts Idalia Junior-Senior High School at 2nd of 9; the average score across the group is 36.5%.
The school occupies a low-density site.
Looking at the recent track record. Idalia Junior-Senior High School's enrollment has shrank 8% since 2018, when it stood at 86 (now 79). White enrollment moved from 70% to 78% across the same window. Class-load math has fell: from 13.1:1 in 2018 to 10.9:1 in 2025.
On allk12, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.
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.