Enrollment
65
Arizona · 2024-25 NCES data
High school (grades 9-12) · Tucson, AZ
Sentinel Peak High School
Federal NCES profile for Sentinel Peak High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040301001611
👥 S:T ratio 35
📚 AP courses 10
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sentinel Peak High School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #22 of 38
- high schools in Tucson · Resource Index
- 25
- Resource Index · Lower
- 16.3:1
- students per teacher
- 64.4%
- free-lunch eligible
Sentinel Peak High School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sentinel Peak High School ranks #22 of 38 high schools in Tucson, AZ.
School address
District: Flowing Wells Unified District (4405) · Arizona
NCES ID 040301001611 Verify on NCES CCD record →
Teachers (FTE)
4.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 17:1 Arizona avg
-4% vs state
Free-lunch eligible
64.4%
vs 48.3% Arizona avg
+33% vs state
Student-teacher ratio in context
How Sentinel Peak High School compares with Arizona and U.S. medians
What stands out at Sentinel Peak High School
Sentinel Peak High School is a higher-need, small high school in Tucson, Arizona, enrolling 65 students.
At 16.3:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 64.4% of students eligible for free meals.
Enrollment of 65 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 34 statewide peers matched on enrollment and economic need, it ranks mid-pack at #17.
Its student body is led by Hispanic or Latino (63%) and White (26%) (diversity index 53/100).
No Advanced Placement courses are reported for this campus in the federal data.
The surrounding Flowing Wells Unified District (4405) spends $9,504 per pupil, 28% below the Arizona average, a leaner-resourced district than most.
Its district draws 21.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 75 in- and out-of-school suspensions were reported for 65 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Tucson's high schools, it stands alongside Mica Mountain High (1,319 students): Sentinel Peak High School is smaller than that campus by headcount and runs leaner classes (16.3:1 vs 20.9:1).
Flowing Wells Unified District (4405) also operates Flowing Wells High School (1,742 students) and Flowing Wells Junior High School (758 students) alongside Sentinel Peak High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Sentinel Peak High School compares
Sentinel Peak 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 | 16.3:1 | ▼ 4% | 17:1 | 15.7:1 |
| Free-lunch eligible | 64.4% | ▲ 33% | 48.3% | 51.7% |
| Enrollment | 65 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
65
Bigger than 7% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
64.4%
free-lunch eligible
- 33% 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
16.3:1
students per teacher
- 4% below state mean
Top 48% in Arizona - lower ratio than 52% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$9,504
per pupil, district-wide
- below Arizona avg of $13,145
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
16
in-school suspensions + 59 out-of-school
Suspension rate: 24.6 per 100 students. Combined in-school and out-of-school rate: 115.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 63.1%
White 26.2%
African American 3.1%
American Indian / Alaska Native 3.1%
Two or More 3.1%
Asian 1.5%
Largest group: Hispanic or Latino at 63.1% of enrollment.
Student-body diversity index 53.0/100
Simpson diversity index - at 53.0, Sentinel Peak High School is more mixed than the Arizona school average of 47.2.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Flowing Wells Unified District (4405), which includes Sentinel Peak High School.
$9,504
Per student
-28%
vs Arizona
Avg $13,145
-43%
vs U.S.
Avg $16,593
Revenue mix
Local 31.6%
State 46.7%
Federal 21.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Sentinel Peak High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Flowing Wells High School | Larger | Lower economic need | Higher S:T ratio |
| Flowing Wells Junior High School | Larger | Similar economic need | Similar S:T ratio |
| Douglas Elementary School | Larger | Higher economic need | Lower S:T ratio |
| J Robert Hendricks Elementary School | Larger | Lower economic need | Lower S:T ratio |
| Centennial Elementary School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Sentinel Peak High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,742
- Students per teacher
- 21:1
- Resource Index
- 24/100
- Enrollment
- 758
- Students per teacher
- 15.5:1
- Resource Index
- 17/100
- Enrollment
- 503
- Students per teacher
- 14:1
- Resource Index
- 25/100
- Enrollment
- 457
- Students per teacher
- 13.8:1
- Resource Index
- 38/100
- Enrollment
- 434
- Students per teacher
- 15.5:1
- Resource Index
- 36/100
Similar high schools in Tucson
4 comparable high schools (grades 9-12) serving the same city.
Mica Mountain High
Standard public school
1,319 students 20.9:1 students per teacher
Innovation Tech High School
Standard public school
333 students 27.8:1 students per teacher
Project More High School
Alternative education program
61 students 7.6:1 students per teacher
Jted Innovative Learning Center @ the Bridges
Vocational / career-technical school
3 students
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~65 students)
Similar student-teacher ratio (~16.3:1)
Next steps
Verify locally before acting on Sentinel Peak High School's federal record.
- Compare Sentinel Peak High School against another school. Compare schools
- Flowing Wells Unified District (4405)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Sentinel Peak High School
How many students attend Sentinel Peak High School?
Sentinel Peak High School has 65 students enrolled. It is a high school in Tucson, AZ.
What is the student-teacher ratio at Sentinel Peak High School?
The student-teacher ratio at Sentinel Peak High School is 16.3:1, which is 4% lower than the Arizona average of 17:1 and 4% higher 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 Sentinel Peak High School?
64.4% of students at Sentinel Peak High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Sentinel Peak High School?
The largest demographic group at Sentinel Peak High School is Hispanic or Latino at 63.1% of enrollment, in Tucson, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.0/100.
What is the Resource Investment Index for Sentinel Peak High School?
Sentinel Peak High School has a Resource Investment Index of 25/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sentinel Peak High School rank among high schools in Tucson?
By Resource Investment Index, Sentinel Peak High School ranks #22 of 38 high schools in Tucson, 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 Tucson on the city page.
Is Sentinel Peak High School a good school?
Sentinel Peak High School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Flowing Wells Unified District (4405)?
Besides Sentinel Peak High School, Flowing Wells Unified District (4405) also operates Flowing Wells High School (1,742 students), Flowing Wells Junior High School (758 students), and Douglas Elementary School (503 students). See the Flowing Wells Unified District (4405) district page for the complete list.
Related tools
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, or report a data error. Data current as of June 2026.