- Enrollment
- 2,850
- Students per teacher
- 19.5:1
- Resource Index
- 45/100
High school (grades 9-12) · Phoenix, AZ
Phoenix Union Bioscience High School
Federal NCES profile for Phoenix Union Bioscience High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040633002670
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 22
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Phoenix Union Bioscience High School earns 48/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #16 of 65
- high schools in Phoenix · Resource Index
- 48
- Resource Index · Typical
- 17.7:1
- students per teacher
- 50.0%
- free-lunch eligible
Phoenix Union Bioscience High School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Phoenix Union Bioscience High School ranks #16 of 65 high schools in Phoenix, AZ.
School address
District: Phoenix Union High School District (4286) · Arizona
NCES ID 040633002670 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+22 students YoY
Phoenix Union Bioscience High School grew from 370 students in 2022-23 to 392 in 2023-24 (+5.9%).
Teacher FTE held 22.0 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+22 students YoY 040633002670 · Phoenix, AZ High · SMALL · TRAD
390 enr · 17.7:1 · 50.0% lunch · RII 48
Nearest enrollment peer: Trevor Browne High School (2,850 students)
Phoenix Union Bioscience High School grew from 370 students in 2022-23 to 392 in 2023-24 (+5.9%). Teacher FTE held 22.0 → 22.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Phoenix Union Bioscience High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Trevor Browne
Trevor Browne High School
2,850 students
- Cesar Chavez H
Cesar Chavez High School
2,598 students
- Maryvale High
Maryvale High School
2,532 students
- South Mountain
South Mountain High School
2,207 students
- Alhambra High
Alhambra High School
2,169 students
- This school 390
Phoenix Union Bioscience High School
390 students
What this shows Phoenix Union Bioscience High School reports 390 students on the CCD universe file.
How Phoenix Union Bioscience High School compares
Phoenix Union Bioscience High School is a growing campus on CCD: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.7:1 | ▲ 4% | 17:1 | 15.7:1 |
| Free-lunch eligible | 50.0% | ▲ 4% | 48.3% | 51.7% |
| Enrollment | 390 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.7:1
Leaner classes than 26% of US schools, heavier class loads than most.
390
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
50.0%
free-lunch eligible
- 4% 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
17.7:1
students per teacher
- 4% above state mean
Top 61% in Arizona - lower ratio than 39% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$13,194
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
Counselors1.0 FTE
Per 390 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 69.2%
White 13.3%
Asian 9.0%
African American 5.6%
Two or More 2.6%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 69.2% of enrollment.
Student-body diversity index 49.2/100
Simpson diversity index - at 49.2, Phoenix Union Bioscience High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 2
Gifted & talented Yes
District finance for Phoenix Union High School District (4286) reports $13,194 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Phoenix Union Bioscience High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Trevor Browne High School | Larger | Higher economic need | Higher S:T ratio |
| Cesar Chavez High School | Larger | Similar economic need | Higher S:T ratio |
| Maryvale High School | Larger | Higher economic need | Similar S:T ratio |
| South Mountain High School | Larger | Higher economic need | Higher S:T ratio |
| Alhambra High School | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Phoenix Union Bioscience High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,598
- Students per teacher
- 20.6:1
- Resource Index
- 41/100
- Enrollment
- 2,532
- Students per teacher
- 18.3:1
- Resource Index
- 47/100
- Enrollment
- 2,207
- Students per teacher
- 19.9:1
- Resource Index
- 42/100
- Enrollment
- 2,169
- Students per teacher
- 17.4:1
- Resource Index
- 46/100
Similar high schools in Phoenix
6 comparable high schools (grades 9-12) serving the same city.
Madison Highland Prep
Standard public school
510 students
Arizona Preparatory Academy
Alternative education program
233 students
Ombudsman - Charter West
Alternative education program
176 students
Skyline Prep High School
Alternative education program
167 students
Intelli-School - Paradise Valley
Alternative education program
63 students
Think Through Academy
Standard public school
61 students
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 (~390 students)
Frequently asked questions about Phoenix Union Bioscience High School
How many students attend Phoenix Union Bioscience High School?
Phoenix Union Bioscience High School has 390 students enrolled. It is a high school in Phoenix, AZ. CCD year-over-year: 370 (2022-23) → 392 (2023-24), up 22.
What is the student-teacher ratio at Phoenix Union Bioscience High School?
The student-teacher ratio at Phoenix Union Bioscience High School is 17.7:1, which is 4% higher than the Arizona average of 17:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Phoenix Union Bioscience High School?
50.0% of students at Phoenix Union Bioscience High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Phoenix Union Bioscience High School?
The largest demographic group at Phoenix Union Bioscience High School is Hispanic or Latino at 69.2% of enrollment, in Phoenix, AZ.
What is the Resource Investment Index for Phoenix Union Bioscience High School?
Phoenix Union Bioscience High School has a Resource Investment Index of 48/100 (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).
How does Phoenix Union Bioscience High School rank among high schools in Phoenix?
By Resource Investment Index, Phoenix Union Bioscience High School ranks #16 of 65 high schools in Phoenix, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Phoenix on the city page.
What other schools are in Phoenix Union High School District (4286)?
Besides Phoenix Union Bioscience High School, Phoenix Union High School District (4286) also operates Trevor Browne High School (2,850 students), Cesar Chavez High School (2,598 students), and Maryvale High School (2,532 students). See the Phoenix Union High School District (4286) district page for the complete list.