Total enrollment
9,268
+230 (+3%) vs SY 2020-21
Benton County
Oregon · Public K-12
Benton County sits inside Oregon and runs 26 public K-12 schools, enrolling about 9,268 students. Corvallis SD 509j alone accounts for 5,916 of those students. By level, that breaks down as 15 elementary, 4 middle, and 4 high schools.
4-year change in Benton County
SY 2020-21 vs SY 2024-25School count
26
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Benton County ranks
Among counties| Measure | This county | In Oregon | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 45.3% | #1 of 26 | N/A |
| Enrollment ranked largest first | 9,268 | #15 of 33 | #859 of 2,745 |
| Number of schools ranked most first | 26 | #15 of 33 | N/A |
| Students per teacher ranked fewest first | 18.2:1 | #21 of 33 | #2,467 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 60.5% | #29 of 32 | #1,099 of 2,526 |
| Diversity index ranked most diverse first | 49.1% | #18 of 33 | #1,142 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Benton County school rankings
Residents
96,303
all ages · ACS 5-yr
Schools
26
5 districts
Enrollment
9,268
students · NCES CCD
Median income
$77,702
Above Oregon avg
Free/reduced lunch
60.5%
Below Oregon avg
Elementary
15
4,021 students
Middle
4
2,030 students
High
4
2,716 students
Combined / other
3
501 students
LARGEST DISTRICT
Corvallis SD 509J
5,916 students · 5 districts in Benton County
County vs. school enrollment demographics
Left bar is the racial makeup of Benton County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
54.2%
adults 25+
Poverty rate
7.6%
ACS 5-year
Unemployment
7.0%
civilian labor
Median age
35
15.7% under 18
Test scores in Benton County
Latest 2024-25 ELA proficiency, 22 schools ranked. Oregon state average: 43.0%.
Top 5 schools (ELA)
- Franklin School· 76.5%
- Crescent Valley High School· 73.6%
- Oak Grove Elementary School· 72.5%
- Philomath High School· 69.2%
- Bessie Coleman Elementary School· 67.3%
Lowest 5 schools (ELA)
- Alsea Charter School· 26.2%
- Monroe Grade School· 26.6%
- Kings Valley Charter School· 34.7%
- Garfield Elementary School· 38.6%
- Philomath Middle School· 41.9%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Corvallis High School | Corvallis | High | 09-12 | 1,273 | · |
| Crescent Valley High School | Corvallis | High | 09-12 | 875 | · |
| Linus Pauling Middle School | Corvallis | Middle | 06-08 | 712 | · |
| Cheldelin Middle School | Corvallis | Middle | 06-08 | 488 | · |
| North Albany Middle School | Albany | Middle | 06-08 | 479 | · |
| Philomath High School | Philomath | High | 09-12 | 453 | · |
| Garfield Elementary School | Corvallis | Elementary | KG-05 | 378 | · |
| Philomath Elementary School | Philomath | Elementary | 02-05 | 368 | · |
| Oak Grove Elementary School | Albany | Elementary | KG-05 | 362 | · |
| Bessie Coleman Elementary School | Corvallis | Elementary | KG-05 | 351 | · |
| Philomath Middle School | Philomath | Middle | 06-08 | 351 | · |
| Adams Elementary School | Corvallis | Elementary | KG-05 | 342 | · |
| Letitia Carson Elementary School | Corvallis | Elementary | KG-05 | 333 | · |
| Lincoln Elementary School | Corvallis | Elementary | KG-05 | 311 | · |
| Franklin School | Corvallis | Elementary | KG-08 | 310 | · |
| North Albany Elementary School | Albany | Elementary | KG-05 | 291 | · |
| Alsea Charter School | Alsea | Combined | KG-12 | 235 | · |
| Monroe Grade School | Monroe | Elementary | KG-08 | 235 | · |
| Kathryn Jones Harrison Elementary School | Corvallis | Elementary | KG-05 | 225 | · |
| Mt View Elementary School | Corvallis | Elementary | KG-05 | 211 | · |
| Kings Valley Charter School | Philomath | Combined | KG-12 | 193 | · |
| Clemens Primary School | Philomath | Elementary | KG-01 | 165 | · |
| Monroe High School | Monroe | High | 09-12 | 115 | · |
| Inavale Community Partners dba Muddy Creek Charter School | Corvallis | Elementary | KG-05 | 107 | · |
| Philomath Academy | Philomath | Combined | KG-12 | 73 | · |
| Blodgett Elementary School | Blodgett | Elementary | KG-04 | 32 | · |
Cities in Benton County
About Benton County
Benton County is a middle-population Oregon county of about 96,303 residents, home to 26 public schools and roughly 9,268 students.
Zooming out, census numbers show typical household earnings sit around $77,702, roughly 54% of adults have completed at least a four-year degree, and roughly 8% of residents live below the federal poverty line. That income level is 7% above the Oregon median.
Looking at the level breakdown, Benton County is built around 15 elementary schools (4,021 students), 4 middle schools (2,030), 4 high schools (2,716), and 3 combined or other schools.
Corvallis SD 509J dominates the local landscape, accounting for roughly 5,916 students on its own.
Over the past 4-year window. Across the same 4-year window, public-school enrollment expanded 3%: 9,038 students in SY 2020-21 versus 9,268 in SY 2024-25.
On allk12, the community for Benton County discusses open enrollment windows, redistricting talk, and busing logistics. Discussions cut across districts, schools, and grade levels.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data