Enrollment
390
High
DISTRICT 1,290 · STATE 631
SCHOOL COMMUNITY·PHOENIX UNION HIGH SCHOOL DISTRICT (4286)·NCES 040633002670
Phoenix Union Bioscience High School
512 E PIERCE ST, PHOENIX, AZ 85004 · (602) 764-5600 · Maricopa County
GRADES 09–12HIGH11-CITYREGULAR SCHOOL390 STUDENTS
Student : Teacher
17.7:1
22 FTE teachers
DISTRICT 18.3:1 · STATE 20.2:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
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
QUIET COMMUNITY
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AASA 2023-24 . % PassingEnglish Language Arts
2.0%
AZ avg 42.2% . -75.0pp since 2017
Math
75.0%
AZ avg 35.1% . -8.0pp since 2017
What this means: On the AASA, Arizona's statewide test, about 2 of every 100 students at this school read and write at grade level and about 75 of 100 do math at grade level. Across all Arizona schools, those numbers are about 42 and 35. Reading and writing scores are down about 75 points since 2017, while math scores are down about 8 points.
Source: AASA. All students, all grades. See all years and grades →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
390
+45 (+13%) vs 2017
Student : Teacher
17.7:1
was 15.7:1
% White
13%
was 15%
% Hispanic
69%
was 72%
% Black
6%
was 5%
% Asian
9%
was 6%
Source: NCES Common Core of Data
About Phoenix Union Bioscience High School
Located at 512 E PIERCE ST, in PHOENIX, Arizona, Phoenix Union Bioscience High School is a compact senior high that instructs 390 students (grades 9 through 12), one of the schools within Phoenix Union High School District (4286). Enrollment runs roughly 38% below the state mean of about 631.
Phoenix Union High School District (4286) runs 20 schools in total, collectively educating 25,800 students. Phoenix Union Bioscience High School is one of those campuses.
In terms of who attends, Phoenix Union Bioscience High School reports that the largest single group is Hispanic, at 69% of enrollment; the rest looks like 13% White, 9% Asian, 6% Black, 3% multiracial. The wider county runs roughly 31% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.
Looking at school resources, On paper, Phoenix Union Bioscience High School has 22 full-time-equivalent teachers, translating to a class-load average of around 17.7:1. That figure is tighter than the state norm's 20.2:1 average.
Around the school, the surrounding county (Maricopa County) reports that the typical household earns roughly $89,300 per year, roughly 37% of adults have completed at least a four-year degree, and the poverty rate sits near 8%. Across Maricopa County's 1352 public schools (combined enrollment of about 725,139 students), Phoenix Union Bioscience High School is one campus in the mix.
The closest other public school is ASU Preparatory Academy- Phoenix High School, roughly 0.2 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius.
Geographically, the school is in a metropolitan area.
Trend over the last 7 years. Over the past 7-year window, the student count rose 13%: 345 students in 2018 compared to 390 in 2025. Class-load math has rose: from 15.7:1 in 2018 to 17.7:1 in 2025.
On this page, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.
Maricopa County at a glance
View full county profilePopulation
4,559,748
Census ACS
Median income
$89,300
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
1,352
725,139 students
Quick facts
Related schools
Other schools in Phoenix Union High School District (4286)
- Trevor Browne High SchoolHigh · 2,850 students
- Cesar Chavez High SchoolHigh · 2,598 students
- Maryvale High SchoolHigh · 2,532 students
- South Mountain High SchoolHigh · 2,207 students
- Alhambra High SchoolHigh · 2,169 students
- Camelback High SchoolHigh · 2,106 students
Other schools in PHOENIX
- Arizona Virtual AcademyCombined · 4,476 students
- Trevor Browne High SchoolHigh · 2,850 students
- Desert Vista High SchoolHigh · 2,761 students
- Maryvale High SchoolHigh · 2,532 students
- Pinnacle High SchoolHigh · 2,430 students
- Sunnyslope High SchoolHigh · 2,322 students
Nearby schools
- ASU Preparatory Academy- Phoenix High School0.2 mi · 360
- ASU Preparatory Academy- Phoenix Elementary0.2 mi · 443
- ASU Preparatory Academy - Phoenix Middle School0.2 mi · 450
- Faith North Early Childhood Learning Center0.6 mi · 103
- Arizona School For The Arts0.6 mi · 679
- Genesis Academy0.6 mi · 49
Frequently asked questions
About Phoenix Union Bioscience High SchoolHow many students attend Phoenix Union Bioscience High School?
Phoenix Union Bioscience High School enrolls approximately 390 students in grades 09-12.
Is Phoenix Union Bioscience High School an elementary, middle, or high school?
Phoenix Union Bioscience High School is a high school covering grades 09-12.
How many students per teacher at Phoenix Union Bioscience High School?
Approximately 17.7:1 students per teacher at Phoenix Union Bioscience High School.
How diverse is Phoenix Union Bioscience High School?
Phoenix Union Bioscience High School reports a student body of 13% White, 69% Hispanic, 6% Black, 9% Asian, 3% Two or more.
What district is Phoenix Union Bioscience High School in?
Phoenix Union Bioscience High School is part of Phoenix Union High School District (4286).
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.