- Enrollment
- 2,510
- Students per teacher
- 21.6:1
- Resource Index
- 32/100
Other / mixed grade configuration · Peoria, AZ
Centennial High School
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040625001500
👥 S:T ratio 8
🌟 Gifted program 70
🎓 Counselors 19
📋 Attendance 1
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High School earns 24/100 on the Resource Investment Index, with class sizes larger than 90% of Arizona schools. It is also one of the largest schools in Arizona.
- #29 of 29
- schools in Peoria · Resource Index
- 24
- Resource Index · Lower
- 23:1
- large classes for Arizona
- 26.0%
- free-lunch eligible
Centennial High School has class sizes larger than 90% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Centennial High School ranks #29 of 29 schools in Peoria, AZ.
School address
District: Peoria Unified School District (4237) · Arizona
NCES ID 040625001500 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-5 students YoY
Centennial High School held near 2,002 students from 2022-23 to 2023-24 (-5 headcount).
Teacher FTE lost 88.7 → 85.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-5 students YoY 040625001500 · Peoria, AZ Other · LARGE · TRAD
2,026 enr · 23:1 · 26.0% lunch · RII 24
Nearest enrollment peer: Liberty High School (2,510 students)
Centennial High School held near 2,002 students from 2022-23 to 2023-24 (-5 headcount). Teacher FTE lost 88.7 → 85.8 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Centennial High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Liberty High S
Liberty High School
2,510 students
- This school
Centennial High School
2,026 students
- Sunrise Mounta
Sunrise Mountain High School
1,896 students
- Ironwood High
Ironwood High School
1,804 students
- Raymond S. Kel
Raymond S. Kellis
1,691 students
- Peoria High Sc
Peoria High School
1,397 students
What this shows Centennial High School reports 2,026 students on the CCD universe file.
How Centennial High School compares
Centennial 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 | 23:1 | ▲ 35% | 17:1 | 15.7:1 |
| Free-lunch eligible | 26.0% | ▼ 46% | 48.3% | 51.7% |
| Enrollment | 2,026 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23:1
Leaner classes than 8% of US schools, heavier class loads than most.
2,026
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
26.0%
free-lunch eligible
- 46% 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
23:1
students per teacher
- 35% above state mean
Top 90% in Arizona - lower ratio than 10% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
39.6%
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
$10,026
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
Counselors5.0 FTE
Per 405 students, the combined health-and-guidance staffing load for this school.
Discipline context
137
in-school suspensions + 159 out-of-school
Suspension rate: 6.8 per 100 students. Combined in-school and out-of-school rate: 14.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 43.4%
Hispanic or Latino 39.9%
African American 5.8%
Two or More 5.6%
Asian 4.0%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 43.4% of enrollment.
Student-body diversity index 64.4/100
Simpson diversity index - at 64.4, Centennial High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 17
Gifted & talented Yes
District finance for Peoria Unified School District (4237) reports $10,026 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Centennial High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Liberty High School | Similar size | Lower economic need | Similar S:T ratio |
| Sunrise Mountain High School | Similar size | Lower economic need | Lower S:T ratio |
| Ironwood High School | Similar size | Higher economic need | Lower S:T ratio |
| Raymond S. Kellis | Similar size | Higher economic need | Lower S:T ratio |
| Peoria High School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Centennial High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,896
- Students per teacher
- 19.2:1
- Resource Index
- 36/100
- Enrollment
- 1,804
- Students per teacher
- 19.8:1
- Resource Index
- 30/100
- Enrollment
- 1,691
- Students per teacher
- 19.7:1
- Resource Index
- 31/100
- Enrollment
- 1,397
- Students per teacher
- 19.1:1
- Resource Index
- 31/100
Similar other schools in Peoria
1 comparable other schools (grades Mixed) serving the same city.
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 (~2,026 students)
Frequently asked questions about Centennial High School
How many students attend Centennial High School?
Centennial High School has 2,026 students enrolled. It is a public school in Peoria, AZ. CCD year-over-year: 2,007 (2022-23) → 2,002 (2023-24), nearly flat (-5).
What is the student-teacher ratio at Centennial High School?
The student-teacher ratio at Centennial High School is 23:1, which is 35% higher than the Arizona average of 17:1 and 46% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Centennial High School?
26.0% of students at Centennial High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Centennial High School?
The largest demographic group at Centennial High School is White at 43.4% of enrollment, in Peoria, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.4/100.
What is the Resource Investment Index for Centennial High School?
Centennial High School has a Resource Investment Index of 24/100 (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 Centennial High School rank among schools in Peoria?
By Resource Investment Index, Centennial High School ranks #29 of 29 schools in Peoria, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Peoria on the city page.
What other schools are in Peoria Unified School District (4237)?
Besides Centennial High School, Peoria Unified School District (4237) also operates Liberty High School (2,510 students), Sunrise Mountain High School (1,896 students), and Ironwood High School (1,804 students). See the Peoria Unified School District (4237) district page for the complete list.