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SCHOOL COMMUNITY·HERMISTON SD 8·NCES 410630000677

Sandstone Middle School

400 NE 10th St, Hermiston, OR 97838 · (541) 667-6300 · Umatilla County
GRADES 06–08MIDDLE32-TOWNTITLE IREGULAR SCHOOL609 STUDENTS
Enrollment
609
Middle
DISTRICT 666 · STATE 494
Student : Teacher
19.6:1
31 FTE teachers
DISTRICT 18.1:1 · STATE 19.3:1
Free / Reduced Lunch
92%
560 students
DISTRICT 92% · STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
213
Grade 7
215
Grade 8
181
Student demographics
White
35%
DISTRICT 32% · STATE 57%
Hispanic
59%
DISTRICT 62% · STATE 26%
Black
0%
DISTRICT 0% · STATE 2%
Asian
1%
DISTRICT 1% · STATE 4%
Two+
4%
DISTRICT 4% · STATE 7%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
47.8%
OR avg 43.0% . +1.5pp since 2023
Math
28.9%
OR avg 31.8% . +3.5pp since 2023
Source: OSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
31.7%
composite math + reading, all grades
Predicted
26.9%
based on OR schools with similar FRL share
Beats by
+4.8pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
609
+65 (+12%) vs 2017
Student : Teacher
19.6:1
was 20.1:1
% White
35%
was 41%
% Hispanic
59%
was 54%
% Black
0%
was 1%
% Asian
1%
was 2%
Source: NCES Common Core of Data

About Sandstone Middle School

Sandstone Middle School is a mid-tier middle-grades school in Hermiston, Oregon, one of the schools within Hermiston SD 8. The school works with 609 students in grades 6 through 8. By comparison, Oregon's public schools average about 494 students each, so Sandstone Middle School sits 23% bigger than that benchmark.

Hermiston SD 8 runs 9 schools in total, collectively educating 5,320 students. Sandstone Middle School is one of those campuses.

On the student-mix side, Sandstone Middle School lists that the largest single group is Hispanic, at 59% of enrollment. Beyond that, the school shows 35% White, 4% multiracial. The wider county runs roughly 30% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

Looking at school resources, Staff filings list 31 full-time-equivalent teachers, which works out to roughly 19.6:1 students per teacher. The state averages about 19.3:1, putting this campus right in line with peers. About 92% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a demographically-adjusted basis, Sandstone Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 26.9%, the actual is 31.7%, a residual of +4.8 points.

In the surrounding community, Umatilla County reports that the typical household earns roughly $67,728 per year, roughly 18% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. In all, Umatilla County runs 35 public schools (combined enrollment of about 13,143 students), of which Sandstone Middle School is one.

Nearest neighbor: Highland Hills Elementary School, around 0.5 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Sandstone Middle School comes 6th of 9 in the immediate cluster, behind the nearby-schools average of 34.2%.

The campus sits in a small-town setting.

Over the past 7-year window. Over the past 7-year window, the student count rose 12%: 544 students in 2018 compared to 609 in 2025. Over the same period, the White share decreased from 41% to 35%.

On this page, the feed for Sandstone Middle School typically covers pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Umatilla County at a glance

View full county profile
Population
79,940
Census ACS
Median income
$67,728
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
35
13,143 students

Quick facts

School name
Sandstone Middle School
District
Hermiston SD 8
Address
400 NE 10th St, Hermiston, OR 97838
Phone
(541) 667-6300
County
Umatilla County
Level
Middle
Grade range
06–08
Total enrollment
609
Teachers (FTE)
31
Student–teacher ratio
19.6:1
Free/Reduced lunch
560 (92%)
Locale
32-Town: Distant
NCES ID
410630000677
Charter school
No
Virtual school
No

Related schools

Other schools in Hermiston SD 8
Other schools in Hermiston
Nearby schools

Frequently asked questions

About Sandstone Middle School
What is the total enrollment at Sandstone Middle School?
Sandstone Middle School enrolls approximately 609 students in grades 06-08.
What grades does Sandstone Middle School serve?
Sandstone Middle School serves grades 06-08.
What is the student-teacher ratio at Sandstone Middle School?
The student-to-teacher ratio at Sandstone Middle School is approximately 19.6:1 (31 FTE teachers).
How diverse is Sandstone Middle School?
Sandstone Middle School reports a student body of 35% White, 59% Hispanic, 0% Black, 1% Asian, 4% Two or more.
Is Sandstone Middle School public or private?
Sandstone Middle School is a public K-12 school, overseen by Hermiston SD 8.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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