Enrollment
1,731
Oregon · 2024-25 NCES data
High school (grades 9-12) · Gresham, OR
Centennial High School
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 410280001020
👥 S:T ratio 5
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High School earns 37/100 on the Resource Investment Index, with class sizes larger than 92% of Oregon schools. It is also one of the largest schools in Oregon.
- #3 of 4
- high schools in Gresham · Resource Index
- 37
- Resource Index · Typical
- 23.7:1
- large classes for Oregon
- 64.9%
- free-lunch eligible
Centennial High School has class sizes larger than 92% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Centennial High School ranks #3 of 4 high schools in Gresham, OR.
School address
District: Centennial Sd 28j · Oregon
NCES ID 410280001020 Verify on NCES CCD record →
Teachers (FTE)
73.0
Federal CCD staff survey
Students per teacher
23.7:1
vs 17.6:1 Oregon avg
+35% vs state
Free-lunch eligible
64.9%
vs 52.8% Oregon avg
+23% vs state
Student-teacher ratio in context
How Centennial High School compares with Oregon and U.S. medians
What stands out at Centennial High School
Centennial High School is a higher-need, large high school in Gresham, Oregon, enrolling 1,731 students.
Class loads run heavy: 23.7:1 is larger than about 92% of Oregon schools and 35% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 64.9% lands close to the Oregon typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Oregon, bigger than 98% of state schools at 1,731 students.
Its Resource Investment Index lands in the lower third of 1,273 scored Oregon schools.
Its student body is led by Hispanic or Latino (35%) and White (33%), more mixed than most schools in the state (diversity index 74/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor coverage is strong, about 247 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 57.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Gresham's high schools, it stands alongside Gresham High School (1,685 students): Centennial High School is larger than that campus by headcount and runs leaner classes (23.7:1 vs 24.4:1).
Centennial Sd 28j also operates Centennial Middle School (876 students) and Butler Creek Elementary School (509 students) alongside Centennial 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 Centennial High School compares
Centennial High School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.7:1 | ▲ 35% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 64.9% | ▲ 23% | 52.8% | 51.7% |
| Enrollment | 1,731 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.7:1
Leaner classes than 7% of US schools, heavier class loads than most.
1,731
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
64.9%
free-lunch eligible
- 23% above the Oregon average of 52.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
23.7:1
students per teacher
- 35% above state mean
Top 92% in Oregon - lower ratio than 8% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
57.6%
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
$14,666
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors7.0 FTE
Per 247 students, the combined health-and-guidance staffing load for this school.
Discipline context
91
in-school suspensions + 126 out-of-school
Suspension rate: 5.3 per 100 students. Combined in-school and out-of-school rate: 12.5 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 35.3%
White 32.9%
Asian 13.8%
African American 8.0%
Two or More 6.1%
Native Hawaiian / Pacific Islander 3.6%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 35.3% of enrollment.
Student-body diversity index 73.7/100
Simpson diversity index - at 73.7, Centennial High School is more mixed than the Oregon school average of 47.1.
Programs
AP courses offered 12
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Centennial Sd 28j, which includes Centennial High School.
$14,666
Per student
-19%
vs Oregon
Avg $18,086
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 27.7%
State 59.8%
Federal 12.5%
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 High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Centennial Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Butler Creek Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Oliver Middle | Smaller | Similar economic need | Lower S:T ratio |
| Parklane Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Powell Butte Elementary School | Smaller | Similar 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
- 876
- Students per teacher
- 21.4:1
- Resource Index
- 24/100
- Enrollment
- 509
- Students per teacher
- 21.2:1
- Resource Index
- 21/100
- Enrollment
- 435
- Students per teacher
- 21.8:1
- Resource Index
- 13/100
- Enrollment
- 397
- Students per teacher
- 17.3:1
- Resource Index
- 30/100
- Enrollment
- 392
- Students per teacher
- 17.8:1
- Resource Index
- 30/100
Similar high schools in Gresham
4 comparable high schools (grades 9-12) serving the same city.
Gresham High School
Standard public school
1,685 students 24.4:1 students per teacher
Sam Barlow High School
Standard public school
1,635 students 25.5:1 students per teacher
Springwater Trail High School
Standard public school
184 students 18.4:1 students per teacher
Center for Advanced Learning
Standard public school
2 students
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,731 students)
Similar student-teacher ratio (~23.7:1)
Next steps
Verify locally before acting on Centennial High School's federal record.
- Compare Centennial High School against another school. Compare schools
- Centennial Sd 28j'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 High School
How many students attend Centennial High School?
Centennial High School has 1,731 students enrolled. It is a high school in Gresham, OR.
What is the student-teacher ratio at Centennial High School?
The student-teacher ratio at Centennial High School is 23.7:1, which is 35% higher than the Oregon average of 17.6:1 and 51% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Centennial High School?
64.9% of students at Centennial High School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Centennial High School?
The largest demographic group at Centennial High School is Hispanic or Latino at 35.3% of enrollment, in Gresham, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.7/100.
What is the Resource Investment Index for Centennial High School?
Centennial High School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Centennial High School rank among high schools in Gresham?
By Resource Investment Index, Centennial High School ranks #3 of 4 high schools in Gresham, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Gresham on the city page.
Is Centennial High School a good school?
Centennial High School earns 37/100 on the Resource Investment Index, with class sizes larger than 92% of Oregon schools. It is also one of the largest schools in Oregon. 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 Centennial Sd 28j?
Besides Centennial High School, Centennial Sd 28j also operates Centennial Middle School (876 students), Butler Creek Elementary School (509 students), and Oliver Middle (435 students). See the Centennial Sd 28j 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.