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SCHOOL COMMUNITY·BEAVERTON SD 48J·NCES 410192001921

Tumwater Middle School

650 NW 118th Ave, Portland, OR 97229 · (503) 356-3686 · Washington County
GRADES 06–08MIDDLE13-CITYTITLE IREGULAR SCHOOL1,003 STUDENTS
Enrollment
1,003
Middle
DISTRICT 796 · STATE 494
Student : Teacher
22.7:1
44 FTE teachers
DISTRICT 18.4:1 · STATE 19.3:1
Free / Reduced Lunch
51%
509 students
DISTRICT 55% · 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
356
Grade 7
326
Grade 8
321
Student demographics
White
50550%
DISTRICT 40% · STATE 57%
Hispanic
13513%
DISTRICT 28% · STATE 26%
Black
212%
DISTRICT 4% · STATE 2%
Asian
26226%
DISTRICT 19% · STATE 4%
Two+
757%
DISTRICT 9% · STATE 7%
Native American
20%
DISTRICT 0% · STATE 1%
Pacific Islander
20%
DISTRICT 1% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
53854%
Female
46446%

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
67.6%
OR avg 43.0% . +8.8pp since 2023
Math
59.0%
OR avg 31.8% . +2.1pp 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
54.8%
composite math + reading, all grades
Predicted
42.9%
based on OR schools with similar FRL share
Beats by
+11.9pp
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 →

About Tumwater Middle School

Tumwater Middle School, a roomy intermediate school in Portland, Oregon, one of the schools within Beaverton SD 48J, hosts 1,003 students, covering grades 6 through 8. By comparison, Oregon's public schools average about 494 students each, so Tumwater Middle School sits 103% above that benchmark.

Beaverton SD 48J runs 56 schools in total, collectively educating 37,479 students. Tumwater Middle School is one of those campuses.

In terms of who attends, Tumwater Middle School reports that 50% of students identify as White, with the remaining enrollment distributed across several groups; the rest is composed of 26% Asian, 13% Hispanic, 7% multiracial, 2% Black. The wider county runs roughly 64% White, putting the school's mix meaningfully less White than the area baseline.

On the income-and-resources front, On paper, Tumwater Middle School has 44 full-time-equivalent teachers, translating to a class-load average of around 22.7:1. Statewide, the average ratio sits near 19.3:1, putting Tumwater Middle School higher than the state norm the norm. An estimated 51% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

After controlling for student poverty, Tumwater Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 42.9%; this one delivers 54.8%.

Around the school, ACS estimates for Washington County put median household earnings sit near $107,772, roughly 48% of adults have completed at least a four-year degree, and the poverty rate sits near 5%. In all, Washington County runs 136 public schools (combined enrollment of about 79,469 students), of which Tumwater Middle School is one.

Nearest neighbor: Cedar Mill Elementary School, around 0.8 miles off. Counting just inside five miles, 8 other public schools cluster around Tumwater Middle School. Among the 9 schools in that immediate cluster with test data (this one included), Tumwater Middle School ranks 4th on composite proficiency, above the local average of 42.5%.

The campus sits in a high-density setting.

Inside the community feed, the feed for Tumwater Middle School typically covers school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.

Washington County at a glance

View full county profile
Population
603,947
Census ACS
Median income
$107,772
Household, ACS
Bachelor's+
48%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
136
79,469 students

Quick facts

School name
Tumwater Middle School
District
Beaverton SD 48J
Address
650 NW 118th Ave, Portland, OR 97229
Phone
(503) 356-3686
County
Washington County
Level
Middle
Grade range
06–08
Total enrollment
1,003
Teachers (FTE)
44
Student–teacher ratio
22.7:1
Free/Reduced lunch
509 (51%)
Locale
13-City: Small
NCES ID
410192001921
Charter school
No
Virtual school
No

Related schools

Other schools in Beaverton SD 48J
Other schools in Portland
Nearby schools

Frequently asked questions

About Tumwater Middle School
How many students attend Tumwater Middle School?
Tumwater Middle School enrolls approximately 1,003 students in grades 06-08.
What age range does Tumwater Middle School serve?
Tumwater Middle School serves students from grade 06 through grade 08.
How many students per teacher at Tumwater Middle School?
Approximately 22.7:1 students per teacher at Tumwater Middle School.
What is the racial breakdown of students at Tumwater Middle School?
At Tumwater Middle School, the student body is approximately 50% White, 13% Hispanic, 2% Black, 26% Asian, 7% Two or more.
Who oversees Tumwater Middle School?
Tumwater Middle School is overseen by Beaverton SD 48J in Washington County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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