- Enrollment
- 1,742
- Students per teacher
- 21:1
- Resource Index
- 24/100
Elementary school (grades K-5) · Tucson, AZ
Centennial Elementary School
Federal NCES profile for Centennial Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 040301001489
👥 S:T ratio 38
🌟 Gifted program 70
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial Elementary School earns 36/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #13 of 54
- elementary schools in Tucson · Resource Index
- 36
- Resource Index · Typical
- 15.5:1
- students per teacher
- 67.0%
- free-lunch eligible
Centennial Elementary School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Centennial Elementary School ranks #13 of 54 elementary schools in Tucson, AZ.
School address
District: Flowing Wells Unified District (4405) · Arizona
NCES ID 040301001489 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Centennial Elementary School held near 439 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 28.8 → 28.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 040301001489 · Tucson, AZ Elementary · SMALL · TRAD
434 enr · 15.5:1 · 67.0% lunch · RII 36
Nearest enrollment peer: Flowing Wells High School (1,742 students)
Centennial Elementary School held near 439 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 28.8 → 28.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Centennial Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Flowing Wells
Flowing Wells High School
1,742 students
- Flowing Wells
Flowing Wells Junior High School
758 students
- Douglas Elemen 503
Douglas Elementary School
503 students
- J Robert Hendr 457
J Robert Hendricks Elementary School
457 students
- This school 434
Centennial Elementary School
434 students
- Laguna Element 410
Laguna Elementary School
410 students
What this shows Centennial Elementary School reports 434 students on the CCD universe file.
How Centennial Elementary School compares
Centennial Elementary 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 | 15.5:1 | ▼ 9% | 17:1 | 15.7:1 |
| Free-lunch eligible | 67.0% | ▲ 39% | 48.3% | 51.7% |
| Enrollment | 434 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.5:1
Leaner classes than 42% of US schools, a middle-of-the-pack class size.
434
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
67.0%
free-lunch eligible
- 39% 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
15.5:1
students per teacher
- 9% below state mean
Top 41% in Arizona - lower ratio than 59% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
45.9%
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
$10,617
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 10 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 2.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 72.4%
White 22.6%
Two or More 2.8%
African American 1.2%
Asian 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 72.4% of enrollment.
Student-body diversity index 42.4/100
Simpson diversity index - at 42.4, Centennial Elementary School is less mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
District finance for Flowing Wells Unified District (4405) reports $10,617 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Centennial Elementary 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 | Similar size | Higher economic need | Lower S:T ratio |
| J Robert Hendricks Elementary School | Similar size | Lower economic need | Lower S:T ratio |
| Laguna Elementary School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Centennial Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
- 410
- Students per teacher
- 13.2:1
- Resource Index
- 39/100
Similar elementary schools in Tucson
5 comparable elementary schools (grades K-5) serving the same city.
Los Amigos Elementary School
Standard public school
613 students 17.5:1 students per teacher
Sonoran Science Academy East
Standard public school
467 students
Legacy Traditional School - East Tucson
Standard public school
439 students
Summit View Elementary
Standard public school
403 students 19.2:1 students per teacher
Da Vinci Tree Academy
Standard public school
265 students
Nationwide elementary 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 (~434 students)
Frequently asked questions about Centennial Elementary School
How many students attend Centennial Elementary School?
Centennial Elementary School has 434 students enrolled. It is an elementary school in Tucson, AZ. CCD year-over-year: 448 (2022-23) → 439 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Centennial Elementary School?
The student-teacher ratio at Centennial Elementary School is 15.5:1, which is 9% lower than the Arizona average of 17:1 and 1% 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 Centennial Elementary School?
67.0% of students at Centennial Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Centennial Elementary School?
The largest demographic group at Centennial Elementary School is Hispanic or Latino at 72.4% of enrollment, in Tucson, AZ.
What is the Resource Investment Index for Centennial Elementary School?
Centennial Elementary School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Centennial Elementary School rank among elementary schools in Tucson?
By Resource Investment Index, Centennial Elementary School ranks #13 of 54 elementary 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 elementary schools in Tucson on the city page.
What other schools are in Flowing Wells Unified District (4405)?
Besides Centennial Elementary 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.