- Enrollment
- 258
- Students per teacher
- 17.2:1
- Resource Index
- 20/100
High school (grades 9-12) · Ajo, AZ
Ajo High School
Federal NCES profile for Ajo High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040052003063
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ajo High School earns 10/100 on the Resource Investment Index, with class sizes larger than 99% of Arizona schools.
- 10
- Resource Index · Lower
- 46.3:1
- large classes for Arizona
- 57.8%
- free-lunch eligible
- 139
- students enrolled
Ajo High School has class sizes larger than 99% of Arizona schools. Computed live against every Arizona school reporting to NCES.
School address
District: Ajo Unified District (4409) · Arizona
NCES ID 040052003063 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-1 students YoY
Ajo High School held near 134 students from 2022-23 to 2023-24 (-1 headcount).
Teacher FTE added 3.5 → 6.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-1 students YoY 040052003063 · Ajo, AZ High · SMALL · TRAD
139 enr · 46.3:1 · 57.8% lunch · RII 10
Nearest enrollment peer: Ajo Elementary School (258 students)
Ajo High School held near 134 students from 2022-23 to 2023-24 (-1 headcount). Teacher FTE added 3.5 → 6.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
How Ajo High School compares
Ajo High School held steady on CCD headcount: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 46.3:1 | ▲ 172% | 17:1 | 15.7:1 |
| Free-lunch eligible | 57.8% | ▲ 20% | 48.3% | 51.7% |
| Enrollment | 139 | top 77% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
46.3:1
Leaner classes than 0% of US schools, heavier class loads than most.
139
Bigger than 14% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
57.8%
free-lunch eligible
- 20% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
46.3:1
students per teacher
- 172% above state mean
Top 99% in Arizona - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
51.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,593
per pupil, district-wide
- below Arizona avg of $13,502
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
29
in-school suspensions + 9 out-of-school
Suspension rate: 20.9 per 100 students. Combined in-school and out-of-school rate: 27.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 73.4%
White 9.4%
Two or More 7.2%
American Indian / Alaska Native 6.5%
Asian 2.2%
African American 1.4%
Largest group: Hispanic or Latino at 73.4% of enrollment.
Student-body diversity index 44.2/100
Simpson diversity index - at 44.2, Ajo High School is less mixed than the Arizona school average of 47.2.
Programs
AP program Not offered
District finance for Ajo Unified District (4409) reports $11,593 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ajo High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ajo Elementary School | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Ajo High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Nationwide high 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 (~139 students)
Frequently asked questions about Ajo High School
How many students attend Ajo High School?
Ajo High School has 139 students enrolled. It is a high school in Ajo, AZ. CCD year-over-year: 135 (2022-23) → 134 (2023-24), nearly flat (-1).
What is the student-teacher ratio at Ajo High School?
The student-teacher ratio at Ajo High School is 46.3:1, which is 172% higher than the Arizona average of 17:1 and 195% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ajo High School?
57.8% of students at Ajo High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Ajo High School?
The largest demographic group at Ajo High School is Hispanic or Latino at 73.4% of enrollment, in Ajo, AZ.
What is the Resource Investment Index for Ajo High School?
Ajo High School has a Resource Investment Index of 10/100 (lower 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 Ajo Unified District (4409)?
Besides Ajo High School, Ajo Unified District (4409) also operates Ajo Elementary School (258 students). See the Ajo Unified District (4409) district page for the complete list.