Total enrollment
13,143
-679 (-5%) vs SY 2017-18
Umatilla County
Oregon · Public K-12
Of the 35 public K-12 schools in Umatilla County, the largest district by enrollment is Hermiston SD 8 (5,320 students). Total county enrollment runs around 13,143. That works out to 16 elementary, 6 middle, and 9 high schools.
7-year change in Umatilla County
SY 2017-18 vs SY 2024-25School count
35
+1 (+3%) vs SY 2017-18
% White
44%
was 50%
% Hispanic
47%
was 41%
% Black
1%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
35
11 districts
Enrollment
13,143
NCES CCD
Median income
$67,728
Below Oregon avg
Free/reduced lunch
88.6%
Above Oregon avg
Elementary
16
5,480 students
Middle
6
2,892 students
High
9
4,114 students
Combined / other
4
657 students
LARGEST DISTRICT
Hermiston SD 8
5,320 students · 11 districts in Umatilla County
County vs. school enrollment demographics
Left bar is the racial makeup of Umatilla 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+
18.3%
adults 25+
Poverty rate
9.5%
ACS 5-year
Unemployment
5.0%
civilian labor
Median age
37
24.6% under 18
Test scores in Umatilla County
Latest 2024-25 ELA proficiency, 30 schools ranked. Oregon state average: 43.0%.
Top 5 schools (ELA)
- Pilot Rock High School· 60.6%
- Hermiston High School· 56.0%
- Desert View Elementary School· 55.9%
- Echo School· 55.7%
- Helix Charter School· 55.3%
Lowest 5 schools (ELA)
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Hermiston High School | Hermiston | High | 09-12 | 1,705 | · |
| Pendleton High School | Pendleton | High | 09-12 | 763 | · |
| Armand Larive Middle School | Hermiston | Middle | 06-08 | 722 | · |
| Sunridge Middle School | Pendleton | Middle | 06-08 | 672 | · |
| McNary Heights Elementary School | Umatilla | Elementary | KG-05 | 642 | · |
| Sandstone Middle School | Hermiston | Middle | 06-08 | 609 | · |
| Gib Olinger Elementary School | Milton-Freewater | Elementary | KG-03 | 498 | · |
| Umatilla High School | Umatilla | High | 09-12 | 466 | · |
| McLoughlin High School | Milton-Freewater | High | 09-12 | 449 | · |
| Rocky Heights Elementary School | Hermiston | Elementary | KG-05 | 442 | · |
| Sherwood Heights Elementary School | Pendleton | Elementary | KG-05 | 439 | · |
| Washington Elementary School | Pendleton | Elementary | KG-05 | 420 | · |
| West Park Elementary School | Hermiston | Elementary | KG-05 | 408 | · |
| Loma Vista Elementary | Hermiston | Elementary | KG-05 | 397 | · |
| Sunset Elementary School | Hermiston | Elementary | KG-05 | 378 | · |
| Central Middle School | Milton-Freewater | Middle | 06-08 | 360 | · |
| Desert View Elementary School | Hermiston | Elementary | KG-05 | 351 | · |
| Clara Brownell Middle School | Umatilla | Middle | 06-08 | 342 | · |
| Echo School | Echo | Combined | PK-12 | 328 | · |
| Highland Hills Elementary School | Hermiston | Elementary | KG-05 | 308 | · |
| McKay Creek Elementary School | Pendleton | Elementary | KG-05 | 265 | · |
| Stanfield Secondary School | Stanfield | High | 06-12 | 264 | · |
| Ferndale Elementary School | Milton-Freewater | Elementary | 04-05 | 240 | · |
| Stanfield Elementary School | Stanfield | Elementary | KG-05 | 235 | · |
| Pendleton Early Learning Center | Pendleton | Elementary | PK-KG | 197 | · |
| Helix Charter School | Helix | Combined | KG-12 | 190 | · |
| Weston Middle School | Weston | Middle | 04-08 | 187 | · |
| Weston-McEwen High School | Athena | High | 09-12 | 173 | · |
| Pilot Rock High School | Pilot Rock | High | 07-12 | 149 | · |
| Pilot Rock Elementary School | Pilot Rock | Elementary | KG-06 | 136 | · |
| Athena Elementary School | Athena | Elementary | PK-03 | 124 | · |
| InterMountain Virtual Learning Academy | Pendleton | Combined | KG-12 | 107 | · |
| Nixyaawii Community School | Pendleton | High | 09-12 | 89 | · |
| Hawthorne Alternative High School | Pendleton | High | 09-12 | 56 | · |
| Ukiah Charter School | Ukiah | Combined | KG-12 | 32 | · |
Cities in Umatilla County
About Umatilla County
Umatilla County is an average-sized county of about 79,940 residents in Oregon. Its public-school system hosts approximately 13,143 students across 35 schools.
Zooming out, census numbers show typical household earnings sit around $67,728, about 18% of adults have a bachelor's degree or above, and the federal-poverty share is near 10%. That income level is 6% lower than the Oregon median.
Looking at the level breakdown, Umatilla County comprises 16 elementary schools (5,480 students), 6 middle schools (2,892), 9 high schools (4,114), and 4 combined or other schools.
The largest single district in Umatilla County is Hermiston SD 8, which alone enrolls about 5,320 students.
Trend over the past 7 years. Combined enrollment now sits at 13,143 students, fell 5% from the 13,822 reported in SY 2017-18. The school count climbed from 34 to 35 across the same 7-year window. The White share of public-school enrollment fell from 50% to 44%.
In the discussion threads here, the community for Umatilla County discusses open enrollment windows, redistricting talk, and busing logistics. Discussions cut across districts, schools, and grade levels.
Frequently asked questions
Umatilla County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data