The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·CENTENNIAL SD 28J·NCES 410280001013

Centennial Middle School

17650 SE Brooklyn St, Portland, OR 97236 · (503) 762-3206 · Multnomah County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL876 STUDENTS
Enrollment
876
Middle
DISTRICT 656 · STATE 494
Student : Teacher
20.3:1
43 FTE teachers
DISTRICT 20.4:1 · STATE 19.3:1
Free / Reduced Lunch
102%
895 students
DISTRICT 98% · 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
296
Grade 7
279
Grade 8
301
Student demographics
White
29834%
DISTRICT 33% · STATE 57%
Hispanic
25829%
DISTRICT 33% · STATE 26%
Black
799%
DISTRICT 9% · STATE 2%
Asian
14216%
DISTRICT 14% · STATE 4%
Two+
597%
DISTRICT 7% · STATE 7%
Native American
81%
DISTRICT 1% · STATE 1%
Pacific Islander
273%
DISTRICT 3% · 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
46053%
Female
41147%

Discussions

+ POST

Test scores

OSAS 2024-25 . % Proficient
English Language Arts
36.0%
OR avg 43.0% . +1.9pp since 2023
Math
20.6%
OR avg 31.8% . +2.5pp 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
24.1%
composite math + reading, all grades
Predicted
22.9%
based on OR schools with similar FRL share
Beats by
+1.1pp
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
876
-60 (-6%) vs 2017
Student : Teacher
20.3:1
was 20.6:1
% White
34%
was 43%
% Hispanic
29%
was 29%
% Black
9%
was 7%
% Asian
16%
was 13%
Source: NCES Common Core of Data

About Centennial Middle School

Centennial Middle School operates as a sizable junior high in Portland, Oregon, overseen by Centennial SD 28J. Current enrollment sits at 876 students spanning grades 6 through 8. By comparison, Oregon's public schools average about 494 students each, so Centennial Middle School sits 77% above that benchmark.

Centennial SD 28J comprises 9 schools with combined enrollment of 5,304 students; Centennial Middle School is among them.

For racial and ethnic makeup, Centennial Middle School lists that the most-represented group is White (34%), with the rest of the student body spread across multiple groups. Other groups include 29% Hispanic, 16% Asian, 9% Black, 7% multiracial. The wider county runs roughly 68% White, putting the school's mix noticeably less White than the area baseline.

Looking at the economic backdrop, Staff filings list 43 full-time-equivalent teachers, which works out to roughly 20.3:1 students per teacher. That figure is higher than the state norm's 19.3:1 average. About 102% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Multnomah County runs at roughly 75%, so the school's eligibility rate is above the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Centennial Middle School tracks the demographic baseline. The model predicts 22.9% given the school's FRL share; actual proficiency is 24.1%.

In the surrounding community, ACS estimates for Multnomah County put median household earnings sit near $88,766, about 49% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, Multnomah County runs 169 public schools (combined enrollment of about 81,096 students), of which Centennial Middle School is one.

Nearest neighbor: Meadows Elementary, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around Centennial Middle School. Ranking that nearby cluster on reported proficiency puts Centennial Middle School at 1st of 9; the average score across the group is 17.7%.

Geographically, the school is in a commuter-belt area.

Five-year trend. Centennial Middle School's enrollment has ticked down 6% since 2018, when it stood at 936 (now 876). Over the same period, the White share fell from 43% to 34%.

On this page, members of the Centennial Middle School community share and discuss enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.

Multnomah County at a glance

View full county profile
Population
801,477
Census ACS
Median income
$88,766
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
169
81,096 students

Quick facts

School name
Centennial Middle School
District
Centennial SD 28J
Address
17650 SE Brooklyn St, Portland, OR 97236
Phone
(503) 762-3206
County
Multnomah County
Level
Middle
Grade range
06–08
Total enrollment
876
Teachers (FTE)
43
Student–teacher ratio
20.3:1
Free/Reduced lunch
895 (102%)
Locale
21-Suburb: Large
NCES ID
410280001013
Charter school
No
Virtual school
No

Related schools

Other schools in Centennial SD 28J
Other schools in Portland
Nearby schools

Frequently asked questions

About Centennial Middle School
How large is Centennial Middle School?
Centennial Middle School enrolls approximately 876 students in grades 06-08.
What grades does Centennial Middle School serve?
Centennial Middle School serves grades 06-08.
How many students per teacher at Centennial Middle School?
Approximately 20.3:1 students per teacher at Centennial Middle School.
What is the student diversity at Centennial Middle School?
Student demographics at Centennial Middle School are roughly 34% White, 29% Hispanic, 9% Black, 16% Asian, 7% Two or more.
Is Centennial Middle School public or private?
Centennial Middle School is a public K-12 school, overseen by Centennial SD 28J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post