High school (grades 9-12) · Elfrida, AZ
Valley Union High School
Federal NCES profile for Valley Union High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Valley Union High School earns 45/100 on the Resource Investment Index, with class sizes smaller than 94% of Arizona schools.
- 45
- Resource Index · Typical
- 8.9:1
- small classes for Arizona
- 46.2%
- free-lunch eligible
- 71
- students enrolled
Valley Union High School has class sizes smaller than 94% of Arizona schools. Computed live against every Arizona school reporting to NCES.
School address
NCES ID 040891000911 Verify on NCES CCD record →
NCES CCD universe card
School universe 040891000911 · Elfrida, AZ High · SMALL · TRAD
71 enr · 8.9:1 · 46.2% lunch · RII 45
Nearest enrollment peer: Odyssey Continuation (100 students)
Valley Union High School CCD stamps from the federal school universe. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Arizona schools → · Find another →
How Valley Union High School compares
Valley Union High School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.9:1 | ▼ 48% | 17:1 | 15.7:1 |
| Free-lunch eligible | 46.2% | ▼ 4% | 48.3% | 51.7% |
| Enrollment | 71 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators (what these measure)
Student demographics
Largest group: White at 52.1% of enrollment.
Simpson diversity index - at 52.5, Valley Union High School is more mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Valley Union High School District (4190), which includes Valley Union High School.
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.
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 (~71 students)
Frequently asked questions about Valley Union High School
How many students attend Valley Union High School?
Valley Union High School has 71 students enrolled. It is a high school in Elfrida, AZ.
What is the student-teacher ratio at Valley Union High School?
The student-teacher ratio at Valley Union High School is 8.9:1, which is 48% lower than the Arizona average of 17:1 and 43% 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 Valley Union High School?
46.2% of students at Valley Union High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Valley Union High School?
The largest demographic group at Valley Union High School is White at 52.1% of enrollment, in Elfrida, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.5/100.
What is the Resource Investment Index for Valley Union High School?
Valley Union High School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Valley Union High School District (4190)?
None reported; Valley Union High School District (4190) operates only Valley Union High School as a public school district in NCES's records.
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.