Enrollment
380
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Nampa, ID
Centennial Elementary School
Federal NCES profile for Centennial Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataOther / mixed grade configurationNCES 160234000409
👥 S:T ratio 24
🌟 Gifted program 70
🎓 Counselors 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial Elementary School earns 39/100 on the Resource Investment Index, with class sizes larger than 72% of Idaho schools.
- #5 of 26
- schools in Nampa · Resource Index
- 39
- Resource Index · Typical
- 19:1
- large classes for Idaho
- 45.0%
- free-lunch eligible
Centennial Elementary School has class sizes larger than 72% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Centennial Elementary School ranks #5 of 26 schools in Nampa, ID.
School address
District: Nampa School District · Idaho
NCES ID 160234000409 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
19:1
vs 17.1:1 Idaho avg
+11% vs state
Free-lunch eligible
45.0%
vs 29.3% Idaho avg
+54% vs state
Student-teacher ratio in context
How Centennial Elementary School compares with Idaho and U.S. medians
What stands out at Centennial Elementary School
Centennial Elementary School is a mid-sized combined-grade school in Nampa, Idaho, enrolling 380 students.
Class loads run somewhat heavier than typical: 19:1 puts it in the larger third of Idaho schools by student-teacher ratio.
Economic need is high: 45.0% of students qualify for free meals, 54% above the Idaho average, a Title I-weighted population that federal funding formulas prioritise.
With 380 students, its enrollment sits close to the Idaho median campus size.
Its Resource Investment Index sits near the middle of the pack among 775 scored Idaho schools.
Against 124 statewide peers matched on enrollment and economic need, it ranks mid-pack at #57.
Counselor availability sits well past the ASCA benchmark, roughly 380 students sharing each counselor, though short of the most stretched campuses.
Its district draws 25.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Nampa School District also operates Nampa Senior High School (1,288 students) and Columbia High School (1,165 students) alongside Centennial Elementary 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 Centennial Elementary School compares
Centennial Elementary School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19:1 | ▲ 11% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 45.0% | ▲ 54% | 29.3% | 51.7% |
| Enrollment | 380 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19:1
Leaner classes than 20% of US schools, heavier class loads than most.
380
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
45.0%
free-lunch eligible
- 54% above the Idaho average of 29.3%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
19:1
students per teacher
- 11% above state mean
Top 72% in Idaho - lower ratio than 28% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$10,958
per pupil, district-wide
- below Idaho avg of $11,939
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 380 students, the combined health-and-guidance staffing load for this school.
Discipline context
22
in-school suspensions + 13 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 9.2 per 100 students. Reported via the Civil Rights Data Collection.
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.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Nampa School District, which includes Centennial Elementary School.
$10,958
Per student
-8%
vs Idaho
Avg $11,939
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 16.9%
State 57.4%
Federal 25.6%
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 Centennial Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Nampa Senior High School | Larger | Lower economic need | Similar S:T ratio |
| Columbia High School | Larger | Lower economic need | Similar S:T ratio |
| Skyview High School | Larger | Lower economic need | Lower S:T ratio |
| Lone Star Middle School | Larger | Lower economic need | Higher S:T ratio |
| South Middle School | Larger | Lower economic need | Higher 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
- 1,288
- Students per teacher
- 18.9:1
- Resource Index
- 43/100
- Enrollment
- 1,165
- Students per teacher
- 19.4:1
- Resource Index
- 38/100
- Enrollment
- 1,146
- Students per teacher
- 17.4:1
- Resource Index
- 48/100
- Enrollment
- 927
- Students per teacher
- 23.2:1
- Resource Index
- 28/100
- Enrollment
- 836
- Students per teacher
- 21.4:1
- Resource Index
- 34/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~380 students)
Next steps
Verify locally before acting on Centennial Elementary School's federal record.
- Compare Centennial Elementary School against another school. Compare schools
- Nampa School District'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 Centennial Elementary School
How many students attend Centennial Elementary School?
Centennial Elementary School has 380 students enrolled. It is a public school in Nampa, ID.
What is the student-teacher ratio at Centennial Elementary School?
The student-teacher ratio at Centennial Elementary School is 19:1, which is 11% higher than the Idaho average of 17.1:1 and 21% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Centennial Elementary School?
45.0% of students at Centennial Elementary School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the Resource Investment Index for Centennial Elementary School?
Centennial Elementary School has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Centennial Elementary School rank among schools in Nampa?
By Resource Investment Index, Centennial Elementary School ranks #5 of 26 schools in Nampa, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Nampa on the city page.
Is Centennial Elementary School a good school?
Centennial Elementary School earns 39/100 on the Resource Investment Index, with class sizes larger than 72% of Idaho schools. 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 Nampa School District?
Besides Centennial Elementary School, Nampa School District also operates Nampa Senior High School (1,288 students), Columbia High School (1,165 students), and Skyview High School (1,146 students). See the Nampa School District 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.