Enrollment
1,731
Oregon · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 410280001020
Centennial High School — Gresham, OR
Federal NCES profile for Centennial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 37/100.
👥 Class size 4
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Centennial Sd 28j · Oregon
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
73.0
Federal CCD staff survey
Students per teacher
24.1:1
vs 18.2:1 Oregon avg
+32% vs state
Free-lunch eligible
64.9%
vs 57.6% Oregon avg
+13% vs state
Student-teacher ratio in context
How Centennial High School compares with Oregon and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Centennial High School reports 1,731 enrolled students to the National Center for Education Statistics (NCES) alongside 73.0 full-time-equivalent teachers, producing a 24.1:1 student-teacher ratio. That figure sits 32% above the Oregon state mean of 18.2:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 52% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 64.9% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 13% above the Oregon average and 25% above the national baseline. The school offers 12 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 247 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 57.6% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Centennial Sd 28j spends $22,033 per pupil district-wide, below the Oregon average of $22,293 and above the national average of $19,490. Revenue comes 27.7% from local sources (property taxes), 59.8% from the state, and 12.5% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 37/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Centennial High School compares
Cross-validating school-level NCES values against Oregon state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 24.1:1 | ▲ 32% | 18.2:1 | 15.9:1 |
| Free-lunch eligible | 64.9% | ▲ 13% | 57.6% | 51.8% |
| Enrollment | 1,731 | top 98% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
64.9%
free-lunch eligible
— 13% above the Oregon average of 57.6%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
24.1:1
students per teacher
— 32% above state mean
Top 95% in Oregon — lower ratio than 5% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
57.6%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$22,033
per pupil, district-wide
— below Oregon avg of $22,293
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
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
Enrollment 1,731 Top 98% in Oregon — larger than 2% of 1,277 state schools
Teachers (FTE) 73.0
Students per teacher 24.1:1 +32% vs state
Free-lunch eligible 64.9% +13% vs state
NCES ID 410280001020
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.
Programs & staff
AP courses offered 12
Gifted & talented Yes
Counselors (FTE) 7.0
Students per counselor 247:1
Discipline & special education
Chronically absent 57.6%
In-school suspensions 91
Out-of-school suspensions 126
Expulsions 6
Funding & spending
District-wide per-pupil expenditure for Centennial Sd 28j, which includes Centennial High School.
$22,033
Per student
-1%
vs Oregon
Avg $22,293
+13%
vs U.S.
Avg $19,490
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.
Other Schools in This District
- Enrollment
- 876
- Students per teacher
- 21.4:1
- Enrollment
- 509
- Students per teacher
- 21.3:1
- Enrollment
- 435
- Students per teacher
- 22.9:1
- Enrollment
- 397
- Students per teacher
- 19:1
- Enrollment
- 392
- Students per teacher
- 17.5:1
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 24.1:1 students per teacher
Sam Barlow High School
Standard public school
1,635 students 26.7:1 students per teacher
Springwater Trail High School
Standard public school
184 students 18.8:1 students per teacher
Center for Advanced Learning
Standard public school
2 students 0.3:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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 24.1:1, which is 32% higher than the Oregon average of 18.2:1 and 52% higher than the national average of 15.9:1.
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 57.6%.
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%. The school serves a diverse student body in Gresham, OR.
What is the Resource Investment Index for Centennial High School?
Centennial High School has a Resource Investment Index of 37/100 (F) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.