- Enrollment
- 857
- Students per teacher
- 20.4:1
- Resource Index
- 16/100
Other / mixed grade configuration · San Tan Valley, AZ
Poston Butte High School
Federal NCES profile for Poston Butte High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040292002972
👥 S:T ratio 26
🌟 Gifted program 30
🎓 Counselors 35
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Poston Butte High School earns 23/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #9 of 9
- schools in San Tan Valley · Resource Index
- 23
- Resource Index · Lower
- 18.5:1
- students per teacher
- 34.0%
- free-lunch eligible
Poston Butte High School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Poston Butte High School ranks #9 of 9 schools in San Tan Valley, AZ.
School address
District: Florence Unified School District (4437) · Arizona
NCES ID 040292002972 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+30 students YoY
Poston Butte High School held near 1,423 students from 2022-23 to 2023-24 (+30 headcount).
Teacher FTE lost 71.8 → 69.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+30 students YoY 040292002972 · San Tan Valley, AZ Other · MID · TRAD
1,310 enr · 18.5:1 · 34.0% lunch · RII 23
Nearest enrollment peer: Florence High School (857 students)
Poston Butte High School held near 1,423 students from 2022-23 to 2023-24 (+30 headcount). Teacher FTE lost 71.8 → 69.8 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Poston Butte High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Poston Butte High School
1,310 students
- Florence High
Florence High School
857 students
- Florence K-8
Florence K-8
805 students
- San Tan Foothi
San Tan Foothills High School
793 students
- Circle Cross K
Circle Cross K8 Stem Academy
728 students
- Anthem Element
Anthem Elementary School
722 students
What this shows Poston Butte High School reports 1,310 students on the CCD universe file.
How Poston Butte High School compares
Poston Butte 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 | 18.5:1 | ▲ 9% | 17:1 | 15.7:1 |
| Free-lunch eligible | 34.0% | ▼ 30% | 48.3% | 51.7% |
| Enrollment | 1,310 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.5:1
Leaner classes than 22% of US schools, heavier class loads than most.
1,310
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
34.0%
free-lunch eligible
- 30% below the Arizona average of 48.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.5:1
students per teacher
- 9% above state mean
Top 66% in Arizona - lower ratio than 34% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
50.1%
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
$10,483
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
Counselors4.0 FTE
Per 328 students, the combined health-and-guidance staffing load for this school.
Discipline context
256
in-school suspensions + 133 out-of-school
Suspension rate: 19.5 per 100 students. Combined in-school and out-of-school rate: 29.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 44.0%
White 40.4%
African American 8.2%
Two or More 3.5%
American Indian / Alaska Native 1.8%
Asian 1.2%
Native Hawaiian / Pacific Islander 0.8%
Largest group: Hispanic or Latino at 44.0% of enrollment.
Student-body diversity index 63.5/100
Simpson diversity index - at 63.5, Poston Butte High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 14
District finance for Florence Unified School District (4437) reports $10,483 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Poston Butte High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Florence High School | Smaller | Similar economic need | Higher S:T ratio |
| Florence K-8 | Smaller | Higher economic need | Higher S:T ratio |
| San Tan Foothills High School | Smaller | Similar economic need | Lower S:T ratio |
| Circle Cross K8 Stem Academy | Smaller | Similar economic need | Similar S:T ratio |
| Anthem Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Poston Butte High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 805
- Students per teacher
- 20.6:1
- Resource Index
- 29/100
- Enrollment
- 793
- Students per teacher
- 16.5:1
- Resource Index
- 21/100
- Enrollment
- 728
- Students per teacher
- 17.3:1
- Resource Index
- 41/100
- Enrollment
- 722
- Students per teacher
- 17.2:1
- Resource Index
- 34/100
Similar other schools in San Tan Valley
6 comparable other schools (grades Mixed) serving the same city.
American Leadership Academy Ironwood K12
Standard public school
2,084 students
Combs High School
Standard public school
1,182 students 20:1 students per teacher
Walker Butte K-8
Standard public school
718 students 15.6:1 students per teacher
San Tan Heights Elementary
Standard public school
669 students 17.2:1 students per teacher
Skyline Ranch Elementary School
Standard public school
583 students 14.2:1 students per teacher
Copper Basin
Standard public school
557 students 15.1:1 students per teacher
Nationwide other 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 (~1,310 students)
Frequently asked questions about Poston Butte High School
How many students attend Poston Butte High School?
Poston Butte High School has 1,310 students enrolled. It is a public school in San Tan Valley, AZ. CCD year-over-year: 1,393 (2022-23) → 1,423 (2023-24), nearly flat (+30).
What is the student-teacher ratio at Poston Butte High School?
The student-teacher ratio at Poston Butte High School is 18.5:1, which is 9% higher than the Arizona average of 17:1 and 18% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Poston Butte High School?
34.0% of students at Poston Butte High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Poston Butte High School?
The largest demographic group at Poston Butte High School is Hispanic or Latino at 44.0% of enrollment, in San Tan Valley, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.5/100.
What is the Resource Investment Index for Poston Butte High School?
Poston Butte High School has a Resource Investment Index of 23/100 (lower 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 Poston Butte High School rank among schools in San Tan Valley?
By Resource Investment Index, Poston Butte High School ranks #9 of 9 schools in San Tan Valley, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in San Tan Valley on the city page.
What other schools are in Florence Unified School District (4437)?
Besides Poston Butte High School, Florence Unified School District (4437) also operates Florence High School (857 students), Florence K-8 (805 students), and San Tan Foothills High School (793 students). See the Florence Unified School District (4437) district page for the complete list.